Circuit Breaker, 5SY4 Series, 40A, 3 Pole, 400V AC, 10kA at 400V AC, C Curve MPN:5SY43407
Circuit Breaker, 5SY4 Series, 40A, 3 Pole, 400V AC, 10kA at 400V AC, C Curve
Protect your industrial electrical systems with the Siemens 5SY4 Series 40A 3 Pole Circuit Breaker. Designed for reliable operation in demanding environments, this IEC Supplementary Protector features a thermal magnetic trip type and meets UL Type UL 1077 standards. Suitable for use in a variety of applications, including manufacturing, processing, and distribution facilities, this circuit breaker offers a high level of safety and protection against electrical shock and overcurrent conditions. Its compact design and DIN rail mounting style make it easy to integrate into existing systems, providing peace of mind for industrial operators.
Top product features:
- 3 Pole circuit breaker functionality
- Thermal magnetic trip type for reliable overcurrent protection
- Toggle actuator for easy manual operation
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- DIN Rail Mounting Style
IEC Supplementary Protector, Amps 40 A, AC Voltage Rating 400V AC, Max. AIR Rating 10kA at 400V AC, Series 5SY4, Curve Type C, DC Voltage Rating 72V DC, Number of Poles 3, Phase 3, 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 3.54 in, Width 2.13 in, Depth 3 in
Additional Information
- Country of Origin: DE
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.50
- Package Width: 3.00
- Package Height: 2.30
- Package Weight: 1.00
Product info last updated on February 27, 2026 9:21pm UTC
Category: Circuit Protection