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Siemens 5SX5210-7 2-Pole C-Curve Circuit Breaker

Siemens 5SX5210-7 2-pole C-curve miniature circuit breaker.

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ManufacturerSiemens

Part number5SX5210-7

Poles 2

Curve Type C

DC Voltage Rating 440V DC

DC Current Rating 10A

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2-pole design Type C tripping characteristic High DC voltage rating (440V) 10kA DC breaking capacity Simultaneous pole switching

Product description

The Siemens 5SX5210-7 is a 2-pole miniature circuit breaker from the T55 series, featuring a Type C tripping characteristic. It is rated for 10A at 440V DC with a breaking capacity of 10kA DC. For AC applications, it is rated for 400V AC with a breaking capacity of 4.5kA.

This 2-pole breaker provides simultaneous protection for two circuits or can be used for switching both live conductors in single-phase AC systems. Its robust design and high DC voltage rating make it suitable for various industrial and specialized applications.

Stanlo Automation, a veteran-owned surplus parts supplier, offers the Siemens 5SX5210-7. We are committed to providing reliable automation components and excellent service to our customers.

Technical specifications

Poles	2
Curve Type	C
DC Voltage Rating	440V DC
DC Current Rating	10A
DC Breaking Capacity	10kA
AC Voltage Rating	400V AC
AC Breaking Capacity	4.5kA

Common applications

DC power distribution

High-voltage DC circuits

Industrial machinery

Control panels

Split-phase systems

Also known as

Siemens 5SX5 breaker T55 circuit breaker Siemens 10A 2-pole breaker

Replaces / compatible with

This part is a direct replacement for other Siemens 5SX5 series 2-pole circuit breakers with similar ratings.

Technical note

Expert tip

When used in AC systems, ensure the 2-pole breaker is correctly wired to switch both live conductors for complete isolation.

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Frequently asked questions

What is the maximum DC voltage rating for the Siemens 5SX5210-7?

The Siemens 5SX5210-7 has a maximum DC voltage rating of 440V DC, with a breaking capacity of 10kA at this voltage.