Thermomagnetic device circuit breakers - CB TM2 3A M1 P

Thermomagnetic device circuit breaker, 2-pos., tripping characteristic M1 (medium-blow), 2 changeover contacts, plug for base element.

This product needs further products for operation. Mandatory Accessories

Product Details

Thermomagnetic device circuit breaker

General When mounted in rows, the nominal device current can be limited to just 80% or must be overdimensioned accordingly.

Type Male
Number of positions 2
No. of channels 1
Insulation characteristics
Degree of pollution 2

No. of channels 1
Fuse type Automatic device
Rated voltage 80 V DC (IEC 60934)
80 V DC (UL 1077)
80 V DC (UL 508 - with plug-in base)
240 V AC (Ue according to IEC 60934)
277 V AC (UL 1077)
277 V AC (UL 508 - with plug-in base)
Rated insulation voltage Ui 277 V AC (UL 1077)
250 V AC (IEC 60934)
Rated current IN 3 A (IEC 60934)
3 A AC (inductive load according to UL 1077)
3 A DC (low-induction load according to UL 1077)
3 A AC (inductive load according to UL 508 - with plug-in base)
3 A DC (low-induction load according to UL 508 - with plug-in base)
Rated surge voltage 2.5 kV (Increased insulation in actuation area)
Insulation resistance Riso > 100 MΩ (500 V DC)
Auxiliary circuit 277 V AC / 0.5 A (Low-induction)
277 V AC / 1 A (Low-induction, maximum of 2000 cycles)
Auxiliary circuit 50 V DC / 1 A (Low-induction)
Type of actuation S type
Tripping method TM (thermomagnetic)
Tripping level Trip-free mechanism (positive)
Device resistance 140 mΩ
Required backup fuse ≥ 15 A (I > Icn)
Rated short-circuit switching capacity Icn 400 A (240 V AC)
600 A (80 V DC)
Short-circuit switching capacity 1000 A AC (277 V AC)
1000 A DC (50 V DC)
Dielectric strength 3000 V AC (Actuation area)
1500 V AC (Main to auxiliary circuit)
1500 V AC (Open main circuit)
1000 V AC (Open auxiliary circuit)
1500 V AC (Position to position)
Switching cycles, max. 6000 (240 V AC / 1 x In)
3000 (80 V DC/1 x In)
Fuse M1 (normal blow)
Power dissipation 1.26 W (in nominal operation per channel)
Voltage drop 0.42 V (at 1 x In)
Auxiliary contact
Minimum operating voltage Umin DC 10 V
Maximum operating voltage Umax DC 240 V
Maximum operating voltage Umax. AC 240 V
Minimum operating current Imin 10 mA
Max. operating current Imax 1 A

Dimensional drawing
Width 24.6 mm
Height 45 mm
Depth 52 mm

Color gray
Flammability rating according to UL 94 V-0
Insulating material group II

Mechanical data
Open side panel No

Ambient conditions
Degree of protection IP30 (Actuation area)
Ambient temperature (operation) -30 °C ... 60 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Humidity test 240 h, 95 % RH, 40 °C
Shock (operation) 30g (IEC 60068-2-27, Test Ea)
Vibration (operation) 8g (IEC 60068-2-6, Test Fc)

UL approval
Identification UL Listed UL 508
UL/C-UL Recognized UL 1077
Identification CSA CAN/CSA-C22.2 No. 235-04
Shipbuilding approval
Identification DNV GL

Standards/specifications EN 60934

Mounting type on base element

Order Key 2800882
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key CLA
Catalog Page Page 392 (C-4-2019)
GTIN 4046356690430
Weight per Piece (including packing) 72,5 GRM
Weight per Piece (excluding packing) 72,5 GRM
Customs tariff number 85362010
Country of origin ID


UL Recognized

cUL Recognized





VDE Zeichengenehmigung

cULus Recognized

REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 25;
For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration”

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