Official DistributorSKU
MPN
TMC 81C 40A
Weight
0.139 kg
Series TMC
TMC 81C 40A - Thermomagnetic device circuit breaker
Thermomagnetic device circuit breaker, number of positions: 1, cross section: 1 mm2- 35 mm2, AWG: 18 - 2, mounting type: DIN rail: 35 mm
TMC
The Phoenix Contact TMC Series comprises thermomagnetic circuit breakers designed to provide reliable overcurrent protection in various industrial applications. This series includes two main product lines:
TMC 7 Series: UL 1077 Recognized supplemental protectors.
TMC 8 Series: UL 489 Listed circuit breakers.
Key Features:
Trip-Free Design: Ensures that the breaker will trip during an overcurrent event, even if the actuator is held in the ""ON"" position, enhancing safety.
Snap-Action Mechanism: Provides a rapid switching action, reducing contact wear and extending the lifespan of the breaker.
Multi-Pole Options: Available in 1-, 2-, and 3-pole configurations to accommodate various application requirements.
Trip Curves: Offers B, C, and D trip characteristics to match different load conditions and ensure appropriate protection levels.
Technical Specifications
Product properties
| Product family | TMC 8 |
| Type | DIN rail module, one-piece |
| Number of Positions | 1 |
| Mechanical service life | 20000 |
Electrical properties
| Service life electrical | 6000 |
General
| Operating Voltage | 120 V AC |
| Operating Voltage | 60 V DC |
| Rated current IN | 40 A |
| Tripping method | TM (thermomagnetic) |
| Rated short-circuit switching capacity Icn | 10 kA (IC) |
| Fuse | C |
Connection data
| 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 |
| Conductor cross section, rigid max. | 35 mm² |
Dimensions
| Width | 17.6 mm |
| Height | 116 mm |
| Depth | 75.9 mm (incl. DIN rail 7.5 mm) |
Material specifications
| Color | light grey (RAL 7035) |
| Color | gray (RAL 7042) |
Ambient conditions
| 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) |
| Vibration (Operation) | ±0.38 mm (10-57 Hz), 5g (57...500 Hz) (IEC 60068-2-6, Fc, sine) |
Standards and Regulations
| Standards/specifications | UL 489 |
| Standards/specifications | IEC 60947-2 |
Mounting
| Mounting Type | DIN rail: 35 mm |
Accessories
TMC 8 B1 80 57 C - Bus bar for TMC 81... circuit breakers (single phase). 17.8 mm pitch, up to 57 positions. Rated for 80 A (end feed) 1000 V AC/DC. UL 508 Listed for connection of UL 489 rated circuit breakers.- TMC 8 B1 80 37 CA - Bus bar for TMC 81... circuit breakers (single phase) with auxilliary switch module. 27 mm pitch, up to 37 positions. Rated for 80 A (end feed) 1000 V AC/DC. UL 508 Listed for connection of UL 489 rated circuit breakers.
Why Proax for Phoenix Contact 2907578?
Proax is an authorized distributor of Phoenix Contact 2907578 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Pack Size | 1 |
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