Circuit Breaker, 5SY4 Series, 20A, 4 Pole, 400V AC, 10kA at 400V AC, D Curve MPN:5SY44208
Circuit Breaker, 5SY4 Series, 20A, 4 Pole, 400V AC, 10kA at 400V AC, D Curve
Protect your industrial equipment with the Siemens 5SY4 Series Circuit Breaker, a reliable and efficient solution for safeguarding your operations. This 4-pole circuit breaker features a 20A rating and 400V AC voltage, making it suitable for a variety of industrial applications. With its thermal magnetic trip type and 10kA maximum short-circuit current, it provides robust protection against electrical faults. Easy to install on DIN rail, this circuit breaker is ideal for use in industrial settings, including manufacturing, warehousing, and more. Its compact design and reliable performance make it a valuable addition to any industrial electrical system.
Top product features:
- Protects against electrical overloads and short circuits with a thermal magnetic trip type
- Provides 10kA of maximum air rating for high fault current protection at 400V AC
- Mounts on a DIN rail for easy installation in industrial applications
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- DIN Rail
IEC Supplementary Protector, Amps 20 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 January 21, 2026 3:03pm UTC
Category: Circuit Protection