Circuit Breaker, 5SY4 Series, 40A, 4 Pole, 400V AC, 10kA at 400V AC, D Curve MPN:5SY44408
Circuit Breaker, 5SY4 Series, 40A, 4 Pole, 400V AC, 10kA at 400V AC, D Curve
Protect your industrial electrical systems with the Siemens 5SY4 Series Circuit Breaker, designed for reliable and efficient operation. This 4-pole, 40A circuit breaker is rated for 400V AC and features a 10kA short-circuit current rating, ensuring maximum safety and protection. With a thermal-magnetic trip type and D curve, it provides precise control over circuit operation. Suitable for industrial applications, it meets UL Type UL 1077 standards and is compatible with a range of wire sizes. Easy to install on DIN rail, this circuit breaker is a reliable solution for protecting your electrical systems in demanding environments.
Top product features:
- Protects against overcurrent and short circuits with a 40A rating
- Trips at 10kA to prevent damage from high-energy faults
- Has a thermal magnetic trip type for reliable protection in industrial applications
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- Terminal Connection Screw Clamp
IEC Supplementary Protector, Amps 40 A, AC Voltage Rating 400V AC, Max. AIR Rating 10kA at 400V AC, Series 5SY4, Curve Type D, DC Voltage Rating 72V DC, Number of Poles 4, 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 2.77 in, Depth 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: 3.74
- Package Width: 2.95
- Package Height: 3.26
- Package Weight: 0.10
Product info last updated on April 11, 2026 3:28pm UTC
Category: Circuit Protection