CB TM1 8A M1 P - Thermomagnetic device circuit breaker

2800853

Thermomagnetic device circuit breaker, 1-pos., tripping characteristic M1 (medium-blow), 1 changeover contact, plug for base element.

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

Product type Thermomagnetic device circuit breakers
Product family CB TM
Type Male
Number of positions 1
No. of channels 1
Insulation characteristics
Degree of pollution 2

Fuse type Automatic device
General
Rated voltage 50 V DC (IEC 60934)
50 V DC (UL 1077)
50 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 8 A (IEC 60934)
8 A AC (inductive load according to UL 1077)
8 A DC (low-induction load according to UL 1077)
8 A AC (inductive load according to UL 508 - with plug-in base)
8 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)
50 V DC / 1 A (Low-induction)
Type of actuation S type
Tripping method TM (thermomagnetic)
Tripping level Trip-free mechanism (positive)
Device resistance 18 mΩ
Required backup fuse 32 A (I > Icn)
Rated short-circuit switching capacity Icn 300 A (240 V AC)
600 A (50 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)
Switching cycles, max. 6000 (at 1 x In)
Fuse M1 (normal blow)
Power dissipation 1.28 W (in nominal operation per channel)
Voltage drop 0.14 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

Connection method pluggable
Connection method pluggable