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Siemens 5SX2150-7 Miniature Circuit Breaker - 50A, 1-Pole

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ManufacturerSiemens

Part number5SX2150-7

Type Miniature Circuit Breaker

Poles 1

Current Rating 50A

Voltage Rating 230/400V AC/DC

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Veteran-owned

CAGE: 9NK75

1-Pole Configuration C-Curve Trip Characteristic 6kA Breaking Capacity 230/400V Rated Voltage T55 Series AC/DC Suitable

Product description

The Siemens 5SX2150-7 is a 1-pole miniature circuit breaker from the T55 series, providing essential overcurrent protection. It features a 50A current rating, a C-curve trip characteristic, and operates at 230/400V with a 6kA breaking capacity. It is rated for both AC and DC voltage.

This breaker is designed for industrial and commercial applications, protecting circuits with moderate inrush currents from overloads and short circuits. It's often found in control panels and distribution systems.

Stanlo Automation, your veteran-owned surplus industrial automation parts distributor, offers the Siemens 5SX2150-7. We are committed to providing high-quality components and excellent service to meet your operational needs.

Technical specifications

Type	Miniature Circuit Breaker
Poles	1
Current Rating	50A
Voltage Rating	230/400V AC/DC
Breaking Capacity	6kA
Trip Curve	C
Series	T55

Common applications

Industrial Control

Power Distribution

Automation

Machinery Protection

Load Management

Electrical Safety

Compatible systems

General purpose AC/DC circuits

Also known as

Siemens T55 50A 5SX2 50A Siemens 1 Pole C50

Replaces / compatible with

This Siemens 5SX2 T55 series breaker is a suitable replacement for other 50A, 1-pole, C-curve breakers in its product family. Verify compatibility with your specific system requirements.

Technical note

Expert tip

This part is listed as discontinued. While still functional, consider its successors like the 5SY6 or 5SL6 series for future replacements, noting potential differences in physical dimensions.

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Frequently asked questions

What is the energy limiting class of the Siemens 5SX2150-7?

The Siemens 5SX2150-7 miniature circuit breaker has an energy limiting class of 3. This rating indicates its effectiveness in limiting the energy let-through during a short circuit, thereby protecting downstream components.