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Siemens 5SJ4220-7HG41 SENTRON Miniature Circuit Breaker | 20A 2-Pole 240V

Siemens 5SJ4220-7HG41 2-Pole Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SJ4220-7HG41

Poles 2

Current Rating 20A

Voltage Rating 240V AC

Interrupting Capacity 14kA

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Veteran-owned

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2-pole design 20A current rating 14kA interrupting capacity C-curve tripping DIN rail mountable UL 489 listed

Product description

The Siemens 5SJ4220-7HG41 is a 2-pole miniature circuit breaker from the SENTRON series, designed for reliable electrical protection. It operates at 240V AC with a 20A current rating and features a 14kA interrupting capacity. This thermal magnetic breaker is UL 489 listed and adheres to IEC/EN 60947-2 standards, providing robust defense against overloads and short circuits.

This circuit breaker is well-suited for industrial and commercial applications, including the protection of electrical circuits, machinery, and control systems. Its compact design and DIN rail mounting facilitate straightforward installation in electrical panels and enclosures.

As a veteran-owned surplus parts distributor, Stanlo Automation provides access to the Siemens 5SJ4220-7HG41. We are dedicated to supplying quality industrial automation components to keep your operations running efficiently.

Technical specifications

Poles	2
Current Rating	20A
Voltage Rating	240V AC
Interrupting Capacity	14kA
Tripping Curve	C
Mounting	DIN Rail
Standards	UL 489, IEC/EN 60947-2

Common applications

Industrial machinery

Control panels

Electrical distribution

Overload protection

Short-circuit protection

Compatible systems

Designed for standard DIN rail mounting and integration into various industrial electrical systems and control cabinets.

Also known as

Siemens SENTRON 5SJ4220-7HG41 5SJ42207HG41 Siemens 20A 2P MCB

Replaces / compatible with

This circuit breaker can replace other Siemens 5SJ4 series breakers with equivalent ratings and specifications, offering a reliable upgrade or replacement.

Technical note

Expert tip

The 'D=70 mm' noted in some documentation refers to the physical depth of the breaker module, a standard for the 5SJ4 series.

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Frequently asked questions

What are the primary applications for the Siemens 5SJ4220-7HG41?

The Siemens 5SJ4220-7HG41 is commonly used for general circuit protection in industrial machinery, control panels, and electrical distribution systems. Its 20A rating and C-curve make it suitable for protecting equipment against overloads and short circuits.