Phoenix Contact 2907573 TMC 81C 20A Miniature Circuit Breaker 20A

Product Description

The Phoenix Contact 2907573 TMC 81C 20A is a thermal-magnetic miniature circuit breaker designed for effective branch circuit protection and is compliant with UL 489 standards. This circuit breaker offers reliable overload protection with a breaking capacity of ten kilowatts and features a C tripping characteristic. It can be mounted on a DIN rail and supports various applications, suitable for both AC and DC use.

• Rated current of twenty amps
• Mounting type NS 35
• Durable design with a mechanical service life of twenty thousand cycles

Product Highlights

This miniature circuit breaker is ideal for protecting circuits in a range of environments, supported by various international approvals.

Product Information

Standard Information

• Product Type: Circuit breakers
• Product Family: TMC 8

Technical Specifications

• Number of Positions: 1
• Mechanical Service Life: 20000
• Special Properties: Branch Circuit Protection (UL 489), overload protection
• Service Life Electrical: 6000
• Operating Voltage: 120 V AC (277 V AC), 60 V DC
• Rated Current I N: 20 A
• Tripping Method: TM (thermal-magnetic)
• Rated Short-Circuit Switching Capacity I cn: 10 kA (IC)
• Fuse: C
• Conductor Cross-Section Rigid: 1 mm² ... 35 mm²
• Conductor Cross-Section Flexible: 1 mm² ... 35 mm²
• Connection Method: Screw connection
• Tightening Torque: 2 Nm
• Stripping Length: 11 mm ... 12 mm
• Width: 17.6 mm
• Height: 116 mm
• Depth: 75.9 mm (includes DIN rail)
• 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 Hz ... 57 Hz), 5g (57 Hz ... 500 Hz) (IEC 60068-2-6)
• Standards/Specifications: UL 489, IEC 60947-2
• Category: Circuit Protection
• Manufacturer: Phoenix Contact
• Series: TMC 8
• Packaging: Box
• Breaker Type: Thermal Magnetic
• Voltage Rating - AC: 120 VAC, 277 VAC
• Voltage Rating - DC: 60 VDC
• Actuator Type: Lever
• Number of Poles: 1
• Approval Agency: cULus, UL489
• Characteristic: C Curve