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Siemens 5SY4380-7 3-Pole Miniature Circuit Breaker - 80A

Siemens 5SY4380-7 3-pole Miniature Circuit Breaker, 80A.

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ManufacturerSiemens

Part number5SY4380-7

Voltage 400V AC

Current 80A

Poles 3

Breaking Capacity 10kA

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Veteran-owned

CAGE: 9NK75

3-pole protection C-curve tripping characteristic 10kA breaking capacity DIN rail mountable Overload and short-circuit protection

Product description

The Siemens 5SY4380-7 is a 3-pole miniature circuit breaker (MCB) designed for robust overload and short-circuit protection. It operates at 400V with a 10kA breaking capacity and features a C-curve tripping characteristic, making it suitable for various industrial applications.

This MCB is ideal for use in heavy-duty control circuits, power distribution systems, and industrial automation setups. The C-curve provides protection for loads with moderate inrush currents while ensuring operational reliability. Its design facilitates easy installation and maintenance.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 5SY4380-7. We are committed to providing quality components and efficient service to support your business needs.

Technical specifications

Voltage	400V AC
Current	80A
Poles	3
Breaking Capacity	10kA
Tripping Characteristic	C
Mounting	DIN Rail
Protection Class	IP20

Common applications

Industrial Power Distribution

Heavy-Duty Control Circuits

Automation Systems

Manufacturing Equipment

High Current Applications

Compatible systems

Siemens SENTRON 5SY Series

Also known as

Siemens 5SY4 MCB 5SY4380-7 CB Siemens 80A Circuit Breaker

Replaces / compatible with

Compatible with Siemens 5SY4 series accessories and related components.

Technical note

Expert tip

The 5SY4380-7's robust terminals accommodate a wide range of conductor sizes, simplifying wiring in industrial applications.

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Frequently asked questions

What is the magnetic trip point for the Siemens 5SY4380-7?

While specific magnetic trip points can vary slightly, the Siemens 5SY4380-7 with a C-curve typically has a magnetic trip point in the range of 5 to 10 times its rated current (80A). This allows for handling moderate inrush currents without premature tripping.