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Siemens 5SY6340-7 Miniature Circuit Breaker - 40A, 3-Pole, C-Curve

Siemens 5SY6340-7 Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SY6340-7

Voltage Rating 400V AC

Current Rating 40A

Poles 3

Breaking Capacity 6kA

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3-pole configuration 6kA breaking capacity C-curve tripping characteristic Suitable for moderate inrush currents DIN rail mounting

Product description

The Siemens 5SY6340-7 is a 3-pole miniature circuit breaker rated for 400V with a 6kA breaking capacity. It features a C-curve tripping characteristic, making it suitable for loads with moderate inrush currents commonly found in industrial and commercial applications.

This breaker offers reliable protection against overloads and short circuits, ensuring the safety and operational continuity of electrical systems. Its robust construction is designed for dependable performance in demanding environments.

Stanlo Automation, a veteran-owned supplier of quality surplus industrial automation and electrical parts, offers the Siemens 5SY6340-7. We provide fast delivery and responsive service to minimize your operational downtime.

Technical specifications

Voltage Rating	400V AC
Current Rating	40A
Poles	3
Breaking Capacity	6kA
Tripping Characteristic	C
Mounting	DIN Rail
Protection	Thermal Magnetic

Common applications

Industrial control panels

Commercial power distribution

Motor control centers

Machinery protection

HVAC systems

Lighting circuits

Compatible systems

Industrial and commercial electrical systems

Also known as

Siemens SENTRON 5SY6340-7 5SY6 Series Circuit Breaker 3P C40A MCB

Replaces / compatible with

Compatible with Siemens 5SY series accessories.

Technical note

Expert tip

The 5SY6340-7 is designed with a built-in depth of 70mm, ensuring compatibility with standard electrical enclosures and mounting systems.

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Frequently asked questions

What is the breaking capacity of the Siemens 5SY6340-7?

The Siemens 5SY6340-7 has a breaking capacity of 6kA at 400V. This means it can safely interrupt fault currents up to 6,000 amperes, providing crucial protection for electrical systems and equipment.