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Siemens 5SY4263-7 2-Pole Miniature Circuit Breaker — 63A

Siemens 5SY4263-7 2-pole miniature circuit breaker.

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ManufacturerSiemens

Part number5SY4263-7

Type Miniature Circuit Breaker

Manufacturer Siemens

Part Number 5SY4263-7

Poles 2

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2-pole protection 400V rated 10kA breaking capacity C-curve tripping 63A current rating 70mm depth

Product description

The Siemens 5SY4263-7 is a high-performance miniature circuit breaker designed for reliable electrical protection. This 2-pole breaker operates at 400V with a breaking capacity of 10kA, featuring a C-curve tripping characteristic for inductive loads and a current rating of 63A. Its compact design with a 70mm depth allows for efficient use in electrical panels.

This circuit breaker is suitable for a wide range of applications, including industrial control systems, commercial buildings, and residential electrical distribution. It provides essential protection against overcurrents and short circuits, safeguarding equipment and ensuring operational safety across various industries.

Source your Siemens 5SY4263-7 from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus industrial parts. We ensure that you receive reliable components at competitive prices, backed by expert service and fast shipping.

Technical specifications

Type	Miniature Circuit Breaker
Manufacturer	Siemens
Part Number	5SY4263-7
Poles	2
Rated Voltage	400V
Breaking Capacity	10kA
Current Rating	63A
Trip Curve	C
Depth	70 mm

Common applications

Industrial control panels

Electrical distribution boards

Motor protection

Commercial buildings

Residential electrical systems

Machine safety

Compatible systems

Compatible with Siemens switchgear and distribution boards

Also known as

Siemens 5SY4263-7 MCB Siemens 63A 2-pole breaker 5SY42637

Replaces / compatible with

This part is part of the Siemens 5SY4 series and is a direct replacement for other 5SY4 series breakers with similar specifications. Compatible with Siemens accessories for the 5SY series.

Technical note

Expert tip

The C-curve tripping characteristic makes the 5SY4263-7 ideal for circuits with moderate inrush currents, such as lighting and control circuits.

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Frequently asked questions

What are the key specifications of the Siemens 5SY4263-7?

The Siemens 5SY4263-7 is a 2-pole miniature circuit breaker rated for 400V with a 10kA breaking capacity. It features a C-curve trip characteristic and a 63A current rating, with a depth of 70mm.