Abb Thermistor Relays 2b214x

Thermistor motor protection relays CM-MSE, CM-MSS, CM-MSN Benefits and advantages, Selection table Operating principle and fields of application for thermistor motor protection relays Temperature monitoring of equipment with PTC sensors integrated, such as 쐍 machine rolling bearings, 쐍 hot-air ventilators, 쐍 oil, 쐍 air, 쐍 heating installations, etc.

Resistance characteristic for one single temperature sensor acc. to DIN 44 081.

The relay is independent of the rated motor current, the insulation class and the method of starting. The PTC sensors are connected in series to the terminals Ta and Tb (or Ta and Tbx without short-circuit detection). The number of possible PTC sensors per measuring circuit is limited by the sum of the individual PTC sensor resistances: RG = R1 + R2 + RN 1.5 k. Under normal operating conditions the resistance is below the response threshold. If only one of the PTC resistors heats up excessively, the output relay de-energizes. If the autoreset function is configured, the output relay energizes automatically after cooling down. Devices with manual (pushbutton on front-side) or remote reset configuration have to be controlled via the control input by the required signal.

NAT = Nominal response temperature 1SVC 110 000 F0139

2

Further applications:

The CM range of thermistor motor protection relays are used to control motors equipped with PTC temperature sensors. The PTC temperature sensors are incorporated in the motor windings to measure the motor heating. This enables direct control and evaluation of the following operating conditions: 쐍 heavy duty starting 쐍 increased switching frequency 쐍 single-phase operation 쐍 high ambient temperature 쐍 insufficient cooling 쐍 break operation 쐍 unbalance

Selection table thermistor motor protection relays Type

CM-MSE

CM-MSS (1)

CM-MSS (2)

CM-MSS (3)

CM-MSS (4)

CM-MSS (5)

CM-MSS (6)

CM-MSS (7)

CM-MSN

Number of sensor circuits

1

1

1

1

1

1

2

3

6

Wire break monitoring

•

•

•

•

•

•

•

•

•

Short-circuit detection

–

–

–

•

•

•

•

•

Non-volatile fault storage

–

–

–

–

• 2)

• 2)

–

• 2)

• 2)

Auto reset

•

•

•

•

• 2)

• 2)

• 2)

• 2)

• 2)

Manual reset

–

–

•

•

•

•

•

•

•

Remote reset

–

–

•

•

•

•

•

•

•

Test button

–

–

–

–

•

•

•

•

•

2 c/o

1 c/o per sensor circuit

1 n/o + 1 n/c accumulative evaluation

1 n/o + 1 n/c accumulative evaluation

Function Measuring range

•

1)

Operation/Reset

Output s Operational principle

closed-circuit principle

Number / type 1 c/o

1 n/o

2 c/o

Width of enclosure

2 c/o

1 n/o + 1 n/c

22.5 mm

45 mm

Supply voltages and order codes 1SVR550805R9300

24 V AC

1SVR430811R9300 1SVR430800R9100

24 V AC/DC 110-130 V AC

1SVR550800R9300

220-240 V AC

1SVR550801R9300

1SVR430801R1100

1SVR430810R9300

1SVR430710R9300

1SVR430811R0300

1SVR430711R0300

1SVR430811R1300

1SVR430711R1300 1SVR430711R2300

380-440 V AC 24-240 V AC/DC

1SVR430720R0400

1SVR430720R0300

1SVR430710R0200

1SVR430720R0500

1SVR450025R0100

1) configurable via terminals 2) Auto reset without non-volatile fault storage configurable by permanent jumpering of connecting terminals S1-T2 or S1/X1-S2/X2

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Thermistor motor protection relays CM-MSE, CM-MSS

2CDC 251 012 F0b03

쐍 Auto reset 쐍 Connection of several sensors (max. 6 sensors conn. in series) 쐍 Monitoring of bimetals 쐍 1 n/o 쐍 Excellent cost / performance ratio

A1

T1

T2

T1 A1

13

T2 A2

14

13

14

A1-A2

Rated control supply voltage

T1-T2

Sensor circuit

13-14

Output Closed-circuit principle

A2

Type

Rated control supply voltage

Order code

Pack. unit pieces

CM-MSE

24 V AC 110-130 V AC 220-240 V AC

1SVR 550 805 R9300 1SVR 550 800 R9300 1SVR 550 801 R9300

1 1 1

CM-MSE

1SVC 110 000 F0141

CM-MSE

1SVC 110 000 F0140

Ordering details

Price 1 piece

2

Weight 1 piece kg / lb 0.11 / 0.24 0.11 / 0.24 0.11 / 0.24

CM-MSS (1)

A1

Auto reset Connection of several sensors Monitoring of bimetals 1 c/o 2 LEDs for status indication

11 T2

T1

T1 A1

11

T2 A2 14

12 14

12

A1-A2

1SVC 110 000 F0141

쐍 쐍 쐍 쐍 쐍

1SVC 110 000 F0142

1SVR 430 801 F1100

CM-MSS (1), 1 c/o Rated control supply voltage

T1-T2

Sensor circuit

11-12/14

Output Closed-circuit principle

A2

Type

Rated control supply voltage

Order code

Pack. unit pieces

CM-MSS (1)

24 V AC/DC 1) 220-240 V AC

1SVR 430 800 R9100 1SVR 430 801 R1100

1 1

Price 1 piece

Weight 1 piece kg / lb 0.15 / 0.33 0.15 / 0.33

CM-MSS (2)

1SVR 430 711 F1300

F: red LED fault tripping U: green LED control supply voltage Marker label Reset button

Type

CM-MSS (2)

CM-MSS (3)

Rated control supply voltage 24 V AC/DC 1) 24 V AC 110-130 V AC 220-240 V AC

T2 A2 24 14

11 T2 11

T1 21 21

12 14 22 24 22 12

S1 A2

Rated control supply voltage

T1-T2

Sensor circuit

S1-T2 X1-T2

Remote reset jumper = no storage

T1

11-12/14 21-22/24

Output s Closed-circuit principle

S1 X1

Order code

Pack. unit pieces

1SVR 430 810 R9300 1SVR 430 811 R9300 1SVR 430 811 R0300 1SVR 430 811 R1300

1 1 1 1

CM-MSS (3), 2 c/o s, short-circuit monitoring configurable 쐍 Fault storage can be switched off 쐍 Auto reset configurable A1 11 T2x 쐍 Reset button T1 T2 21 T1 A1 11 21 쐍 Remote reset 쐍 Monitoring of bimetals 쐍 Short-circuit monitoring of the T2 A2 12 14 22 24 S1 22 24 sensor circuit configurable 14 12 A2 쐍 2 c/o s 쐍 2 LEDs for status indication

A1-A2

L1 L2 L3

Price 1 piece

M ϑ ϑ ϑ 3

Weight 1 piece kg / lb 0.15 / 0.33 0.15 / 0.33 0.15 / 0.33 0.15 / 0.33

Rated control supply voltage

S1-T2

remote reset jumper = without storage

T1-T2x

measuring circuit without short-circuit monitoring

T1-T2

measuring circuit with short-circuit monitoring

11-12/14 21-22/24

Output s Closed-circuit principle

Type

Rated control supply voltage

Order code

Pack. unit pieces

CM-MSS (3)

24 V AC/DC 1) 110-130 V AC 220-240 V AC 380-440 V AC

1SVR 430 710 R9300 1SVR 430 711 R0300 1SVR 430 711 R1300 1SVR 430 711 R2300

1 1 1 1

1)

T2 T2

A1-A2

Price 1 piece

Weight 1 piece kg / lb 0.15 / 0.33 0.15 / 0.33 0.15 / 0.33 0.15 / 0.33

not electrically isolated • Accessories: PTC sensors ........ 2/72 • Technical diagrams ................. 2/102

• Technical data .............................2/73 • Dimensional drawings .............2/103

2CDC 252 123 F0b07

A1 X1 T1 A1

1SVC 110 000 F519

Fault storage can be switched off Auto reset configurable Reset button Remote reset Monitoring of bimetals 2 c/o s 2 LEDs for status indication

1SVC 110 000 F0144



쐍 쐍 쐍 쐍 쐍 쐍 쐍

1SVC 110 000 F0143

1SVR 430 811 F1300

CM-MSS (2), 2 c/o s

• Accessories ................................. 2/104

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Thermistor motor protection relays CM-MSS Ordering details

T1 13

21

S1

T2 A2

S1 21

14 22

13 22

14 A2

11 T1

T1 A1 S1/X1 S2/X2

21 T2 11

21

ϑ

S1/X1 22



Reset / test button F: red LED fault tripping U: green LED control supply voltage Marker label

T1-T2

Sensor circuit

S1-T2

Remote reset

13-14 21-22

Output s Closed-circuit principle jumper = no storage

T2 A2 12 14 22 24

Type

Rated control supply voltage

CM-MSS (5) A1 S2/X2

CM-MSS (5)

A1-A2

1SVC 110 000 F0145

T2 T1 A1

2CDC 251 047 F0t04

CM-MSS (4)

A1

12 24

A1-A2

Rated control supply voltage

T1-T2

Sensor circuit

S1/X1 T1 L1 L2 L3

S1/X1-S2/X2

Reset

11-12/14 21-22/24

Output s Closed-circuit principle

14 A2

T2

S2/X2

2CDC 252 044 F0004

2

CM-MSS (4) 2CDC 252 016 F0004



쐍 Short-circuit monitoring of the sensor circuit 쐍 Wide supply voltage range: 24-240 V AC/DC 쐍 Non-volatile fault storage selectable 쐍 Reset and test button 쐍 Remote reset 쐍 Auto reset configurable 쐍 Output s: 1 n/c and 1 n/o or 2 c/o s 쐍 2 LEDs for status indication

2CDC 252 147 F0b06

2CDC 251 077 F0t07

CM-MSS (4) + CM-MSS (5), 1-channel

Rated control supply voltage

Order code

Pack. unit pieces

CM-MSS (4) 1-channel 1n/c, 1n/o

24-240 V AC/DC

1SVR 430 720 R0400

1

0.15 / 0.33

CM-MSS (5) 1-channel 2 c/o

24-240 V AC/DC

1SVR 430 720 R0300

1

0.15 / 0.33

Price 1 piece

Weight 1 piece kg / lb

CM-MSS (6)

Reset button to F1-F2: red LED fault tripping 1 to 2 U: green LED control supply voltage Marker label

Type

CM-MSS (6)

Rated control supply voltage

24-240 V AC/DC

• Accessories: PTC sensors ........ 2/72 • Technical diagrams ................. 2/102

1SVC 110 000 F 0146



쐍 Short-circuit monitoring for the sensor circuits 쐍 Wide supply voltage range: 24-240 V AC/DC 쐍 2 separate sensor circuits for monitoring of two motors or one motor with 2 sensor circuits (prewarning and final switch off) 쐍 Reset button 쐍 Auto reset configurable 쐍 Output s: 2 x 1 c/o 쐍 3 LEDs for status indication

1SVC 110 000 F 0148

1SVR 430 710 F0200

CM-MSS (6), 2-channel, single evaluation

A1-A2

Rated control supply voltage

11-12/14, 21-22/24

Output s Closed-circuit principle

1T1-T2 2T1-T2

Sensor circuit

S1-T2 jumpered = no storage

Order code

Pack. unit pieces

1SVR 430 710 R0200

1

• Technical data .............................2/73 • Dimensional drawings .............2/103

Price 1 piece

Weight 1 piece kg / lb 0.15 / 0.33

• Accessories ................................. 2/104

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Thermistor motor protection relays CM-MSS, CM-MSN Ordering details

1SVC 110 000 F0147



쐍 Short-circuit monitoring for the sensor circuits 쐍 Wide supply voltage range 24-240 V AC/DC 쐍 Non-volatile fault storage configurable 쐍 Remote reset 쐍 Auto reset configurable 쐍 Reset and test button 쐍 Output s: 1 n/c and 1 n/o 쐍 4 LEDs for status indication

1SVC 110 000 F0149

1SVR 430 720 F0500

CM-MSS (7), 3 sensor circuits, accumulative evaluation

A1-A2

Rated control supply voltage

13-14 21-22

Output s Closed-circuit principle

2

1T1-T2 2T1-T2 3T1-T2

Sensor circuits

S1-T2

Remote reset jumpered = no storage

CM-MSS (7) Reset / test button to F1-F3: red LED fault tripping 1 to 3 U: green LED control supply voltage Marker label

Type

CM-MSS (7)

Order code

Pack. unit pieces

1SVR 430 720 R0500

1

Rated control supply voltage

24-240 V AC/DC

Price 1 piece

Weight 1 piece kg / lb 0.15 / 0.33



1SVC 110 000 F0521



쐍 Short-circuit monitoring of the sensor circuit 쐍 Wide supply voltage range: 24-240 V AC/DC 쐍 Non-volatile fault storage configurable 쐍 Remote reset 쐍 Auto reset configurable 쐍 Reset and test button 쐍 Output s: 1 n/c, 1 n/o 쐍 7 LEDs for status indication

1SVC 110 000 F0150

1SVR 450 025 F0400

CM-MSN, 6 sensor circuits, accumulative evaluation

A1-A2

Rated control supply voltage

1T1...6T1-T2

Sensor circuits

13-14 21-22

Output s Closed-circuit principle

S1-T2

Remote reset, jumper = no storage

CM-MSN

Reset / Test button to F1-F6: red LED fault tripping F1 to F6 U: green LED control supply voltage

Marker label

Type

CM-MSN

Rated control supply voltage

24-240 V AC/DC

Order code

Pack. unit pieces

1SVR 450 025 R0100

1

Price 1 piece

Weight 1 piece kg / lb 0.23 / 0.51

accumulative evaluation = if any input exeeds the threshold, the output relay will trip • Accessories: PTC sensors ........ 2/72 • Technical diagrams ................. 2/102

• Technical data .............................2/73 • Dimensional drawings .............2/103

• Accessories ................................. 2/104

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Thermistor motor protection PTC temperature sensors C011 Ordering details, technical data The PTC temperature sensors (temperature-dependent with positive temperature coefficient) are selected by the manufacturer of the motor depending on:

Temperature sensor characteristic

쐍 the motor insulation class according to IEC/EN 60034-11, 쐍 the special characteristics of the motor, such as the conductor cross-section of the windings, the permissible overload factor etc. 쐍 special conditions prescribed by the , such as the permissible ambient temperature, risks resulting from locked rotor, extent of permitted overload etc.

RPTC []

2

104

103

101

TNF - 20 K TNF - 5 K TNF TNF + 5 K TNF + 15 K

-20 °C

TPTC [°C]

2CDC 252 068 F0208

102

One temperature sensor must be embedded in each phase winding. For instance, in case of three-phase squirrel cage motors, three sensors are embedded in the stator windings. For pole-changing motors with one winding (Dahlander connection), 3 sensors are also sufficient. Pole-changing motors with two windings, however, require 6 sensors. Type

The sensors are suitable for embedding in motor windings with rated operating voltages of up to 600 V AC. Conductor length: 500 mm per sensor. A 14 V varistor can be connected in parallel to protect the sensors from overvoltage. Due to their characteristics, the thermistor motor protection relays can also be used with PTC temperature sensors of other manufacturers which comply with DIN 44 081 and DIN 44 082.

Order code

Color coding

Rated response temperature TNF

If an additional warning is required before the motor is switched off, separate sensors for a correspondingly lower temperature must be embedded in the winding. They have to be connected to a second control unit.

Pack. unit set

Price 1 set

Weight 1 piece kg / lb

Temperature sensor C011, standard version acc. to DIN 44081

1SVC 110 000 F0531

1 set = 3 pieces C011-70 C011-80 C011-90 C011-100 C011-110 C011-120 C011-130 C011-140 C011-150 C011-160 C011-170 Type

white-brown white-white green-green red-red brown-brown gray-gray blue-blue white-blue black-black blue-red white-green

70 °C 80 °C 90 °C 100 °C 110 °C 120 °C 130 °C 140 °C 150 °C 160 °C 170 °C

GHC 011 0003 R0001 GHC 011 0003 R0002 GHC 011 0003 R0003 GHC 011 0003 R0004 GHC 011 0003 R0005 GHC 011 0003 R0006 GHC 011 0003 R0007 GHC 011 0003 R0011 GHC 011 0003 R0008 GHC 011 0003 R0009 GHC 011 0003 R0010

1 1 1 1 1 1 1 1 1 1 1

Order code

Pack. unit pieces

GHC 011 0033 R0008

1

Color coding

Rated response temperature TNF

0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 0.02/0.044 Price 1 piece

Weight 1 piece kg / lb

Triple temperature sensor C011-3 C011-3-150

150 °C

black-black

0.05/0.11

Technical data Characteristic data Cold-state resistance Warm-state resistance ± 5 up to 6 K of rated response temperature TNF Thermal time constant, sensor open 1) Permitted ambient temperature Rated response temperature tolerance TNF TNF

10 000 <5s +180 °C

PTC resistance R from -20 °C to TNF - 20 K

70 5 °C 80 5 °C 90 5 °C 100 5 °C 110 5 °C 120 5 °C 130 5 °C 140 5 °C 150 5 °C 160 5 °C 170 7 °C 1)

Sensor type C011 50 -100 at 25 °C

Not embedded in windings.

100

2)

PTC resistance R at PTC temperatures of: TNF + TNF TNF + 15 K TNF - TNF (UPTC 2.5 V) (UPTC 2.5 V) (UPTC 7.5 V) 570

570

-

550

1330

4000

570

570

-

For triple temperature sensor take values x 3.

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Thermistor motor protection relays CM-MSE, CM-MSS, CM-MSN Technical data Type Input circuit Rated control supply voltage US power consumption

CM-MSE

Rated control supply voltage US tolerance Rated frequency Duty time Measuring circuit Monitoring function Number of senor circuits Short-circuit monitoring Non-volatile fault storage Test function Sensor circuit Temperature threshold (relay de-energizes)

2.7-3.7 k

Temperature hysteresis (relay energizes)

1.7-2.3 k

T1-T2 1 -

Kind of output

Operational principle material Rated voltage (VDE 0110, IEC 664-1, IEC 60947-1) Maximum switching voltage AC12 (resistive) 230 V Rated operational current Ie (IEC/EN 60947-5-1) AC15 (inductive) 230 V DC12 (resistive) 24 V DC13 (inductive) 24 V AC rating Utilization category (UL 508) (Control Circuit Rating Code) max. rated operational voltage max. continuous thermal current at B 300 max. making/breaking apparent power at B 300 Mechanical lifetime Electrical lifetime (AC12, 230 V, 4 A) Max. fuse rating to achieve n/c short circuit protection n/o General data Dimensions (W x H X D) Weight Mounting position Degree of protection Ambient temperature range Mounting

1)

enclosure / terminals operation storage

CM-MSN

24 V AC 24 V AC/DC 110-130 V AC 220-240 V AC 380-440 V AC 24-240 V AC/DC

A1-A2 A1-A2 A1-A2 A1-A2 A1-A2 A1-A2

Short circuit threshold (relay de-energizes) Short circuit hysteresis (relay energizes) Maximum total resistance of sensors connected in series (cold state) Maximum sensor cable length for short-circuit detection Response time Control circuit for storage and hysteresis function Remote reset S1-T2 or S1/X1-S2/X2 Maximum no-load voltage Maximum cable length Indication of operational states Control supply voltage U: green LED Fault indication F: red LED Output circuits

CM-MSS

approx. 1.5 VA approx. 1.1 VA / 0.6 W approx. 1.5 VA approx. 1.5 VA approx. 1.7 VA approx. 1.4-1.7 W / approx. 3.5-5.7 VA -15 % ... +10 % AC: 50-60 Hz / 24-240 V AC/DC versions: 15-400 Hz 100 % T1-T2/T2x, 1T1...6T1-T2 1T1...6T1-T2 temperature monitoring by means of PTC sensors 1, 2 oder 3 (see order. details) 6 see ordering details yes see ordering details configurable see ordering details yes CM-MSS (1+2): 3050550 CM-MSS (3-7): 3.6 k 5 % CM-MSS (1+2): 1900400 CM-MSS (3-7): 1.6 k 5 % <20 >40 1.5 k 2 x 100 m at 0.75 mm2, 2 x 400 m at 2.5 mm2 <100 ms

3.6 k 5 % 1.6 k 5 %

-

n/o approx. 25 V, 24-240 V; AC/DC versions: 5.5 V 50 m, 100-200 m if shielded

13-14

V: control supply voltage applied V: output relay de-energized

11-12/14, 21-22/24, 13-14, 21-22 13-14, 21-22 1 n/o + 1 n/c 1 n/o CM-MSS (1): 1 c/o CM-MSS (2,3,5): 2 c/o s CM-MSS (4, 7): 1 n/o + 1 n/c CM-MSS (6): 2x1 c/o closed-circuit principle (output relay de-energizes if the measured value exceeds/drops below the adjusted threshold) AgCdO CM-MSS (1+2+6): AgCdO AgNi CM-MSS (3+4+5+7): AgNi 250 V 250 V 4A 3A 4A 2 A (1.5 A - n/c 1)) B 300 300 V AC 5A 3600/360 VA 30 (10 1) ) x 106 switching cycles 0.1 x 106 switching cycles 4 A (10 A1)) fast-acting 6 A (10 A1)) fast-acting

10 A fast-acting 10 A fast-acting 22.5 x 78 x 78.5 mm (0.89 x 3.07 x 3.09 in) approx. 0.11 kg (0.24 lb)

22.5 x 78 x 100 mm (0.89 x 3.07 x 3.94 in) approx. 0.15 kg (0.33 lb) any IP50 / IP20 -20...+60 °C -40...+85 °C DIN rail (IEC/EN 60715)

10 A fast-acting 10 A fast-acting 45 x 78 x 100 mm (1.77 x 3.07 x 3.94 in) approx. 0.23 kg (0.51 lb)

-25...+65 °C

1SVR 430 710 R 0200, 1SVR 430 8xx R xxxx

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2

Thermistor motor protection relays CM-MSE, CM-MSS, CM-MSN Technical data Type Electrical connection Wire size

CM-MSE fine strand with wire end ferrule fine strand without wire end ferrule rigid

2

Stripping length Tightening torque Standards Product standard Low Voltage Directive EMC Directive Electromagnetic compatibility electrostatic discharge IEC/EN 61000-4-2 radiated, radio-frequency, electromagnetic field IEC/EN 61000-4-3 electrical fast transient / burst IEC/EN 61000-4-4 surge IEC/EN 61000-4-5 conducted disturbances, IEC/EN 61000-4-6 induced by radio-frequency fields Operational reliability (IEC 68-2-6) Resistance to vibration (IEC 68-2-6) Environmental testing (IEC 68-2-30 ) Isolation data Rated voltage between supply, measuring and output circuit Rated impulse withstand voltage between all isolated circuits Test voltage between all isolated circuits Pollution degree Overvoltage category

2 x 1.5 mm2 (2 x 16 AWG) 2 x 0.75-1.5 mm2 (2 x 18-16 AWG) 2 x 1-1.5 mm2 (2 x 18-16 AWG) 2 x 0.75-1.5 mm2 (2 x 18-16 AWG) 10 mm (0.39 inch)

CM-MSS

CM-MSN 2 x 2.5 mm2 (2 x 14 AWG) 2 x 0.75-2.5 mm2 (2 x 18-14 AWG) 2 x 0.75-2.5 mm2 (2 x 18-14 AWG) 2 x 0.5-4 mm2 (2 x 20-12 AWG) 7 mm (0.28 inch)

IEC 255-6, EN 60255-6 2006/95/EC 2004/108/EC, 91/263/EEC, 92/31/EEC, 93/68/EEC, 93/67/EEC EN 61000-6-2, EN 61000-6-4 Level 3 (6 kV / 8 kV) Level 3 (10 V/m) Level 3 (2 kV / 5 kHz) Level 3/4 (1/2 kV) Level 3 (10 V) 6g 10 g

4g 6g 24 h cycle time, 55 °C, 93 % rel., 96 h

5g 10 g

250 V 4 kV / 1.2 - 50 μs 2.5 kV, 50 Hz, 1 min. 3 III

• Approvals ..................................... 2/6

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