Circuit Breaker, 5SY4 Series, 50A, 1+N Pole, 277V AC, 10kA at 230V AC, A Curve MPN:5SY45505
Circuit Breaker, 5SY4 Series, 50A, 1+N Pole, 277V AC, 10kA at 230V AC, A Curve
Protect your industrial electrical systems with the Siemens 5SY4 Series Circuit Breaker, a reliable and efficient solution for 277V AC applications. This 50A, 1+N pole circuit breaker features a high short-circuit current rating of 10kA at 230V AC and meets UL Type UL 1077 standards. Suitable for use in industrial settings, it offers thermal magnetic trip type protection and is designed for easy installation on DIN rail. With a compact design and reliable performance, this circuit breaker is ideal for use in a variety of applications, including manufacturing, material handling, and other high-power industrial environments.
Top product features:
- 1+N Pole configuration allows for a neutral connection in addition to the phase connection, providing a balanced power distribution.
- 50A current rating enables the circuit breaker to handle high power loads, making it suitable for industrial applications.
- A Curve tripping mechanism provides a high level of protection against short circuits and overloads, ensuring the safety of people and equipment.
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- DIN Rail Mounting Style
IEC Supplementary Protector, Amps 50 A, AC Voltage Rating 277V AC, Max. AIR Rating 10kA at 230V AC, Series 5SY4, Curve Type A, DC Voltage Rating 72V DC, Number of Poles 1+N, Phase 1, 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 3.62 in, Width 1.57 in, Depth 3.3 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: 3.62
- Package Width: 1.57
- Package Height: 3.30
- Package Weight: 0.01
Product info last updated on February 20, 2026 7:30am UTC
Category: Circuit Protection