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Siemens 5SY4310-5 3-Pole Miniature Circuit Breaker - 10A, 400V

Siemens 5SY4310-5 Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SY4310-5

Poles 3

Current Rating 10A

Voltage Rating 400V AC

Breaking Capacity 10kA

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3-pole design 10A current rating Type A tripping curve 10kA breaking capacity DIN rail mountable Sensitive circuit protection

Product description

The Siemens 5SY4310-5 is a 3-pole miniature circuit breaker designed for high-precision protection. It operates at 400V AC with a current rating of 10A and a short circuit breaking capacity of 10kA. This breaker features a Type A tripping characteristic, making it suitable for very sensitive circuits with minimal inrush currents.

This circuit breaker is ideal for protecting semiconductor devices, precise electronic control systems, and other sensitive equipment where immediate reaction to overcurrent is critical. The Type A curve ensures quick tripping for overloads and short circuits, protecting delicate components.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 5SY4310-5. We provide dependable components and value, ensuring your automation needs are met efficiently and cost-effectively.

Technical specifications

Poles	3
Current Rating	10A
Voltage Rating	400V AC
Breaking Capacity	10kA
Tripping Characteristic	A
Mounting	DIN Rail
IP Rating	IP20

Common applications

Semiconductor Protection

Sensitive Electronic Control

Industrial Automation

Specialized Equipment

Precision Instruments

Compatible systems

General industrial automation systems, control panels, and electrical distribution boards.

Also known as

Siemens SENTRON 5SY4310-5 5SY4 Series MCB Siemens 10A 3P A-curve breaker

Replaces / compatible with

Compatible with Siemens SENTRON 5SY series accessories. Consult manufacturer documentation for specific replacement information.

Technical note

Expert tip

The Type A tripping characteristic on this breaker offers the fastest trip response to overcurrents, with a magnetic trip point typically between 2-3 times the rated current, ideal for protecting sensitive semiconductor devices.

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Frequently asked questions

What are the key features of the Siemens 5SY4310-5 circuit breaker?

The Siemens 5SY4310-5 is a 3-pole, 10A, 400V AC miniature circuit breaker with a 10kA breaking capacity and a Type A tripping characteristic. It is designed for DIN rail mounting and offers protection for sensitive electronic circuits.