TMC 73B 63A
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Miniature Circuit Breaker
1019971
Product details
| Product type | Circuit breakers |
| Product family | TMC 7 |
| Type | DIN rail module, one-piece |
| Number of positions | 3 |
| Mechanical service life | 20000 |
| Special properties | Supplementary Protection (UL 1077), for protection against overload up to a short-circuit current of 7.5 kA Thermal-magnetic |
| Service life electrical | 6000 |
| General | |
| Operating voltage | 277 V AC (277/480Y, 240D) |
| Rated current IN | 63 A |
| Tripping method | TM (thermal-magnetic) |
| Rated short-circuit switching capacity Icn | 7.5 kA (277/480Y, 240D) |
| Fuse | B |
| Contact switching type | none |
| Conductor cross-section rigid | 1 mm² ... 35 mm² |
| Cross section AWG | 18 ... 2 (converted acc. to IEC) |
| Conductor cross-section flexible | 1 mm² ... 35 mm² |
| Connection method | Screw connection |
| Tightening torque, min | 2 Nm |
| Stripping length | 11 mm ... 12 mm |
| Conductor cross-section flexible max. | 35 mm² |
| Dimensional drawing |
|
| Width | 52.9 m |
| Height | 84.3 mm |
| Depth | 76.6 mm (incl. DIN rail 7.5 mm) |
| Color | light gray (RAL 7035) |
| copper color |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -35 °C ... 70 °C |
| Humidity test | 48 h, 95% RH, 40°C (IEC 60068-2-78) |
| Shock (operation) | 30g (11 ms) (IEC 60068-2-11, test Ea) |
| Vibration (operation) | ±0.38 mm (10 Hz ... 57 Hz), 5g (57 Hz ... 500 Hz) (Sinusoidal test to IEC 60068-2-6, Test Fc. 10 frequency cycles per axis) |
| Standards/specifications | UL 1077 |
| Standards/specifications | IEC 60947-2 |
| Mounting type | NS 35/... |
Your advantages
Can be used worldwide due to international approvals
Suitable for various grid types, as it is available in 1-, 2-, 3-pos. versions
Ideally coordinated protection due to various tripping characteristics and a wide selection of nominal currents
Reduced inventory because of suitability for AC and DC applications
Optional accessories enable remote control and monitoring