MPN

RS Better World

Schneider Electric, ComPact, ComPacT NSX Molded Case Circuit Breaker, Fixed

RS Stock No.:: 221-0947
Mfr. Part No.:: LV429408
Brand:: Schneider Electric

Schneider Electric, ComPact, ComPacT NSX Molded Case Circuit Breaker, Fixed

Subtotal (1 unit)*

£172.91

(exc. VAT)

£207.49

(inc. VAT)

FREE delivery for orders over £60.00

In Stock

Plus 6 unit(s) shipping from 01 June 2026
Plus 3 unit(s) shipping from 09 June 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£172.91

*price indicative

Better World

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RS Stock No.:: 221-0947
Mfr. Part No.:: LV429408
Brand:: Schneider Electric

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schneider Electric
	Range	ComPact
	Product Type	Molded Case Circuit Breaker
	Series	ComPacT NSX
	Mount Type	Fixed
	Terminal Type	0 to 1.5 mm² Screw Terminal
	Height	4.4mm
	Standards/Approvals	China RoHS Regulation, EU RoHS Directive, Green Premium product, REACh Regulation
	Better World Verification	Byggvarubedömningen
	Better World Product	Yes
	Tripping Characteristics	Threshold Tripping
	Tripping Mechanism	Undervoltage Release

	Select all
	Brand Schneider Electric
	Range ComPact
	Product Type Molded Case Circuit Breaker
	Series ComPacT NSX
	Mount Type Fixed
	Terminal Type 0 to 1.5 mm² Screw Terminal
	Height 4.4mm
	Standards/Approvals China RoHS Regulation, EU RoHS Directive, Green Premium product, REACh Regulation
	Better World Verification Byggvarubedömningen
	Better World Product Yes
	Tripping Characteristics Threshold Tripping
	Tripping Mechanism Undervoltage Release

COO (Country of Origin):: PL

Schneider Electric LV42 Series MCCB, 480V Rated AC Voltage, Fixed Mounting Style - LV429408

This MCCB is a crucial component in industrial circuit protection, designed for fixed mounting. With a rated AC voltage of up to 480V, it incorporates spring terminal connections for efficient wiring. Its application in control circuits further enhances its utility in various electrical installations.

Features & Benefits

• Undervoltage release prevents unintended circuit operation

• Quick response time of just 50ms for enhanced safety

• Compatible with a range of ComPact series, ensuring flexibility

• Compact size eases installation in limited spaces

Applications

• Used in control circuits for automated systems

• Ideal for use in both commercial and industrial environments

• Facilitates protection in low voltage electrical distributions

• Suitable for integration with other Schneider Electric products

How does the undervoltage release feature improve safety?

The undervoltage release feature disconnects power when voltage drops below a certain threshold, protecting both the circuit and connected equipment from potential damage due to low voltage conditions.

What terminal connection types are supported for installation?

The MCCB supports screwless spring terminal connections that accommodate wire sizes between 0.5mm² and 1.5mm², streamlining installation and allowing for quicker setup.

What is the tripping voltage range for this device?

The device features a threshold tripping voltage ranging from 0.35 to 0.7 times the nominal voltage for opening and 0.85 times for closing, ensuring precise operation.

What are the power requirements for this MCCB?

It requires a supply holding power of 5 VA and a supply inrush power of 10 VA, making it efficient for operational needs in control circuits.

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