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Siemens 5SY4210-8 2-Pole Miniature Circuit Breaker — 10A, D-Curve

Siemens 5SY4210-8 2-pole miniature circuit breaker.

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ManufacturerSiemens

Part number5SY4210-8

Poles 2

Rated Voltage 400V AC

Breaking Capacity 10kA

Tripping Curve D

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Veteran-owned

CAGE: 9NK75

2-pole protection 10kA short-circuit rating D-curve tripping characteristic 400V operational voltage Compact 70mm width

Product description

The Siemens 5SY4210-8 is a 2-pole miniature circuit breaker designed for reliable overcurrent protection. It features a rated voltage of 400V, a breaking capacity of 10kA, and a D-curve tripping characteristic, making it suitable for applications with high inrush currents. This specific model is rated for 10 Amperes and has a width of 70 mm.

This circuit breaker is ideal for use in industrial, commercial, and residential electrical installations where robust protection against short circuits and overloads is required. It is commonly found in control panels, distribution boards, and machinery requiring precise tripping for inductive loads, such as motors and transformers.

Source your Siemens 5SY4210-8 from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We ensure quality and availability, providing you with cost-effective solutions for your automation needs.

Technical specifications

Poles	2
Rated Voltage	400V AC
Breaking Capacity	10kA
Tripping Curve	D
Current Rating	10A
Width	70 mm

Common applications

Industrial control panels

Commercial power distribution

Residential electrical systems

Motor protection

Transformer protection

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY4210-8 MCB Siemens 10A D-curve breaker 5SY4 Series breaker

Replaces / compatible with

Compatible with Siemens 5SY series circuit breakers and accessories.

Technical note

Expert tip

Ensure proper DIN rail mounting and correct wiring for the 2-pole configuration to achieve effective circuit protection.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SY4210-8?

The Siemens 5SY4210-8 features a D-curve tripping characteristic. This means it has a higher inrush current capability, typically 10 to 20 times the rated current, making it suitable for protecting inductive loads like motors and transformers.