Siemens
Siemens 5SJ4302-7HG42 3-Pole C-Curve 2A Circuit Breaker
Siemens 5SJ4302-7HG42 3-Pole, 2A, C-Curve Circuit Breaker.
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12-Mo Warranty
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12-month warranty
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Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
3-pole protection
2A current rating
C-curve tripping
10kA breaking capacity
UL 489 compliant
Three-phase circuit protection
Product description
The Siemens 5SJ4302-7HG42 is a 3-pole circuit breaker with a 2A rated current and a C-curve tripping characteristic. It has a 10kA short-circuit breaking capacity and is compliant with UL 489 standards for 480Y/277V applications.
This 3-pole breaker is designed for protecting three-phase circuits in various industrial and commercial applications, offering reliable overcurrent protection for each phase. The C-curve is suitable for loads with moderate inrush current.
Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 5SJ4302-7HG42. We provide quality components and fast shipping to ensure your operational continuity.
Technical specifications
| Number of poles | 3 |
| Rated current | 2 A |
| Tripping characteristic | C |
| Breaking capacity | 10 kA |
| Voltage rating | 480Y/277V AC |
| Standard | UL 489 |
Common applications
Three-phase motor control
Industrial automation
Control panels
Small three-phase loads
Distribution systems
Sensitive equipment
Compatible systems
Standard DIN rail mounting systems
Siemens 5SJ4 series accessories
Also known as
Siemens 2A 3-pole C-curve breaker, 5SJ43027HG42, Siemens 5SJ4 2A 3-pole
Replaces / compatible with
Compatible with Siemens 5SJ4 Series accessories and related components.
Technical note
Expert tip
For three-phase loads, a 3-pole breaker ensures all phases are disconnected simultaneously, which is crucial for motor protection and system safety.What happens next?
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2
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3
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Frequently asked questions
What is the application for a 3-pole circuit breaker like the Siemens 5SJ4302-7HG42?
A 3-pole circuit breaker like the Siemens 5SJ4302-7HG42 is used to protect three-phase electrical circuits, ensuring simultaneous disconnection of all three phases in case of an overcurrent or fault.