Circuit Breaker, 5SY4 Series, 40A, 1+N Pole, 277V AC, 10kA at 230V AC, C Curve MPN:5SY45407
Circuit Breaker, 5SY4 Series, 40A, 1+N Pole, 277V AC, 10kA at 230V AC, C Curve
Protect and control industrial electrical circuits with the Siemens 5SY4 Series Circuit Breaker, a reliable and efficient solution for demanding applications. Designed for use in industrial settings, this 40A, 1+N pole circuit breaker features a C Curve and can withstand 10kA at 230V AC. With a thermal magnetic trip type and UL Type UL 1077 certification, it ensures safe and reliable operation. Suitable for use with 14 AWG to 4 AWG wire, this circuit breaker is ideal for applications such as manufacturing, processing, and assembly lines, providing peace of mind and protection for your electrical systems.
Top product features:
- Circuit Breaker Actuator Toggle
- Thermal Magnetic Trip Type
- Screw Clamp Terminal Connection
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- DIN Rail
IEC Supplementary Protector, Amps 40 A, AC Voltage Rating 277V AC, Max. AIR Rating 10kA at 230V AC, Series 5SY4, Curve Type C, DC Voltage Rating 72V DC, Number of Poles 1+N, Phase 1, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style DIN Rail, Meets UL Type UL 1077, Terminal Connection Screw Clamp, Trip Type Thermal Magnetic, Application Industrial, Min. Wire Size 14 AWG, Max. Wire Size 4 AWG, Length 3.62 in, Width 1.57 in, Depth 3.3 in
Additional Information
- Country of Origin: DE
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 30 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.62
- Package Width: 1.57
- Package Height: 3.30
- Package Weight: 0.70
Product info last updated on February 6, 2026 1:33am UTC
Category: Circuit Protection