Thermal-magnetic device circuit breaker
CB TM2 12A SFB P
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Thermal-magnetic device circuit breaker
2800877
Thermal-magnetic device circuit breaker, 2-pos., tripping characteristic SFB, 2 changeover contacts, plug for base element.
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Tuotetiedot
| 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 | 2 |
| No. of channels | 1 |
| Insulation characteristics | |
| Degree of pollution | 2 |
| Fuse type | Automatic device |
| General | |
| Rated voltage | 80 V DC (IEC 60934) |
| 80 V DC (UL 1077) | |
| 80 V DC (UL 508 - with plug-in base) | |
| Rated insulation voltage Ui | 277 V AC (UL 1077) |
| 250 V AC (IEC 60934) | |
| Rated current IN | 12 A (IEC 60934) |
| inductive load according to UL 1077 | |
| 12 A DC (low-induction load according to UL 1077) | |
| 12 A DC (low-induction load according to UL 508 - with plug-in base) | |
| 12 A DC | |
| 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 (thermal-magnetic) |
| Tripping level | Trip-free mechanism (positive) |
| Device resistance | 11 mΩ |
| Required backup fuse | ≥ 48 A (I > Icn) |
| Rated short-circuit switching capacity Icn | 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 | SFB |
| Power dissipation | 2.88 W (in nominal operation per channel) |
| Voltage drop | 0.13 V (at 1 x In) |
| Contact switching type | 2 changeover contacts |
| 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 |
| Dimensional drawing |
|
| Width | 24.6 mm |
| Height | 45 mm |
| Depth | 52 mm |
| Color | gray (RAL 7042) |
| black (RAL 9005) | |
| 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 | |
| CSA | |
| Identification | CSA CAN/CSA-C22.2 No. 235-04 |
| Shipbuilding approval | |
| Identification | DNV GL |
| Standards/specifications | EN 60934 |
| Mounting type | on base element |
