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Siemens 3VT9300-3HJ20 30A 3-Pole Circuit Breaker with ETU

Siemens 30A 3-pole circuit breaker with electronic trip unit.

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ManufacturerSiemens

Part number3VT9300-3HJ20

Rated Current 30A

Poles 3

Trip Unit Electronic Trip Unit (ETU)

Standard IEC 60947-2

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12-month warranty

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Veteran-owned

CAGE: 9NK75

30A rating 3-pole protection Advanced electronic trip unit Adjustable settings IEC compliant

Product description

The Siemens 3VT9300-3HJ20 is a 3-pole circuit breaker rated at 30A, featuring an advanced electronic trip unit (ETU). This ETU provides highly accurate and adjustable protection against overloads, short circuits, and ground faults. It is designed for AC applications and meets stringent international standards like IEC 60947-2.

This breaker is ideal for critical applications in industrial settings, such as protecting motor feeders, distribution circuits, and sensitive equipment where precise and customizable protection is required. The electronic trip unit allows for setting various protection parameters to suit specific operational needs.

Stanlo Automation, a veteran-owned surplus parts distributor, ensures you can source reliable industrial automation components. We offer the Siemens 3VT9300-3HJ20, providing cost-effective solutions for your maintenance and operational needs.

Technical specifications

Rated Current	30A
Poles	3
Trip Unit	Electronic Trip Unit (ETU)
Standard	IEC 60947-2
Mounting	Fixed

Common applications

Motor feeders

Distribution circuits

Industrial automation

Sensitive equipment protection

Control panels

Compatible systems

Compatible with switchgear and distribution panels designed for 30A, 3-pole molded case circuit breakers with ETUs.

Also known as

Siemens 30A ETU breaker 3VT30A 3P MCCB

Replaces / compatible with

This electronic trip unit breaker from the Siemens 3VT series is designed to replace or upgrade older thermal-magnetic breakers in applications requiring more precise protection.

Technical note

Expert tip

Proper configuration of the electronic trip unit's settings (e.g., Ii, Ir, If) is crucial for optimal protection and to avoid nuisance tripping.

What happens next?

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Frequently asked questions

What are the advantages of the electronic trip unit on the Siemens 3VT9300-3HJ20?

The electronic trip unit (ETU) on the Siemens 3VT9300-3HJ20 offers greater accuracy and adjustability for overload, short-circuit, and ground fault protection compared to traditional thermal-magnetic trip units.