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Thermomagnetic device circuit breaker-CB TM2 3A SFB
P-2800871
Technical data
Technical data
Fuse type SFB
Rated surge voltage 2.5 kV (Increased insulation in actuation area)
Rated voltage 240 V AC (Ue according to IEC 60934)
Rated voltage 277 V AC (UL 1077)
Rated voltage 277 V AC (UL 508 - with plug-in base)
Rated voltage 80 V DC (IEC 60934)
Rated voltage 80 V DC (UL 1077)
Rated voltage 80 V DC (UL 508 - with plug-in base)
Rated current I
n
3 A (IEC 60934)
Rated current I
n
3 A AC (inductive load according to UL 1077)
Rated current I
n
3 A DC (low-induction load according to UL 1077)
Rated current I
n
3 A AC (inductive load according to UL 508 - with plug-in base)
Rated current I
n
3 A DC (low-induction load according to UL 508 - with plug-in
base)
Rated insulation voltage U
i
277 V AC (UL 1077)
Rated insulation voltage U
i
250 V AC (IEC 60934)
Insulation resistance R
iso
:
> 100 MΩ (500 V DC)
Auxiliary circuit 277 V AC/0.5 A(Low-induction)
Auxiliary circuit 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)
Required backup fuse ≥ 15 A
Rated short-circuit switching capacity I
cn
400 A (240 V AC)
Rated short-circuit switching capacity I
cn
600 A (80 V DC)
Dielectric strength 3000 V AC (Actuation area)
Dielectric strength 1500 V AC (Main to auxiliary circuit)
Dielectric strength 1500 V AC (Open main circuit)
Dielectric strength 1000 V AC (Open auxiliary circuit)
Dielectric strength 1500 V AC (Position to position)
Voltage drop
0.42 V (at 1 x I
n
)
Cycles, max.
6000 (240 V AC/1 x I
n
)
Cycles, max.
3000 (80 V DC/1 x I
n
)
Contact type 2 PDT
Standards
Standard - Electrical safety EN 60934
Standard - Electrical safety UL 1077
Standard - Electrical safety UL 508
Standard - Electrical safety CSA 22.2 No. 235-041
