Circuit Breaker, 5SY4 Series, 20A, 3+N Pole, 400V AC, 10kA at 400V AC, D Curve MPN:5SY46208
Circuit Breaker, 5SY4 Series, 20A, 3+N Pole, 400V AC, 10kA at 400V AC, D Curve
Protect your industrial circuits with the reliable 5SY4 Series Circuit Breaker from Siemens, designed for 20A, 3+N pole, and 400V AC applications. This IEC Supplementary Protector features a D Curve and 10kA maximum short-circuit current rating, ensuring safe and efficient operation. Suitable for industrial use, it offers thermal magnetic trip functionality and meets UL Type UL 1077 standards. With a compact design and screw clamp terminal connections, this circuit breaker is ideal for DIN rail mounting and can handle wire sizes from 14 AWG to 4 AWG. Its robust construction 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 10kA at 400V AC maximum air rating
- Provides thermal and magnetic trip types for reliable circuit protection
- Supports 3+N pole configuration for phase and neutral connections
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- DIN Rail Mounting Style
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 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 February 11, 2026 3:43pm UTC
Category: Circuit Protection