Circuit Breaker, 5SY6 Series, 40A, 3+N Pole, 400V AC, 6kA at 400V AC, B Curve MPN:5SY66406
Circuit Breaker, 5SY6 Series, 40A, 3+N Pole, 400V AC, 6kA at 400V AC, B Curve
Protect your industrial electrical systems with the Siemens 5SY6 Series Circuit Breaker, a reliable and efficient solution for your 3+N pole applications. Rated for 40A and 400V AC, this IEC Supplementary Protector features a thermal magnetic trip type and meets UL Type UL 1077 standards. Suitable for use in industrial settings, it offers a high level of protection against electrical faults and overloads. With its compact design and DIN rail mounting style, this circuit breaker is easy to install and integrate into your system, providing a safe and reliable operation. Ideal for applications requiring high current ratings and robust protection.
Top product features:
- Protects against overcurrent conditions with a maximum interrupting capacity of 6kA at 400V AC
- Detects and responds to thermal and magnetic conditions to trip the circuit breaker
- Mounts on a DIN rail for easy installation and space-saving design
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 6kA at 400V AC, Series 5SY6, Curve Type B, DC Voltage Rating Not Rated, Number of Poles 3+N, 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 3.74 in, Width 2.95 in, Depth 3.26 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: 3.74
- Package Width: 2.95
- Package Height: 3.26
- Package Weight: 0.10
Product info last updated on March 1, 2026 12:39pm UTC
Category: Circuit Protection