Schneider Electric LV429273

LV429273 is a 9-wire fixed connector base manufactured by Schneider Electric. It is an accessory for Molded Case Circuit Breakers (MCCB), compatible with the ComPact NSX100~630 series circuit breakers.

Core Parameters

Model: LV429273

Type: Fixed connector (base side)

Poles: 9-pin (9-wire)

Compatible Series: NSX100/160/250/400/630

Origin: China

EAN: 3606480021572

Functions & Applications

Used for the connection of the circuit breaker secondary control circuit (auxiliary contacts, shunt trip/release signals, etc.).

Paired with LV429274 (movable plug) to realize fast plug-in connection of the secondary control circuit.

Mounted on the plug-in base of the circuit breaker for easy maintenance and replacement.

Key Features

Structure: Black insulating housing with screw terminal connections.

Compliance: Comply with environmental standards such as REACH and RoHS.

Material: Flame-retardant engineering plastic, suitable for industrial environments.

Matching Models

LV429273: Fixed side (base)

LV429274: Movable side (circuit breaker body)

I can provide you with a direct comparison compatibility list plus key restrictions. Please send me your complete circuit breaker model, and I can determine its compatibility for you in one line.

Official Compatibility Scope of LV429273

Applicable Series: ComPact NSX100 / 160 / 250 / 400 / 630 (AC)

Application: 9-pin fixed connector for secondary circuit of plug-in base (base side)

Mandatory Matching: LV429274 (movable plug, mounted on circuit breaker)

Installation Prerequisite: The circuit breaker must be equipped with a plug-in base (not fixed front wiring type)

Specific Compatible Models (Examples, Incomplete List)

NSX100: NSX100F/N/H/L, 3P/4P (e.g. NSX100F TM100D)

NSX160: NSX160F/N/H/L, 3P/4P

NSX250: NSX250F/N/H/L, 3P/4P

NSX400: NSX400F/N/H/L, 3P/4P

NSX630: NSX630F/N/H/L, 3P/4P

Incompatible Scope

❌ NSX DC series (special DC base and connectors are required)

❌ Legacy NS series, CVS, Easypact, MTZ, iC60 and other series

❌ Fixed-type (non-plug-in) base

For Schneider Electric NSX molded case circuit breakers, there is only one standard model for the 9-wire fixed connector base (base side):

1. Automatic 9-Wire Fixed Base (Fixed Unit Separately)

LV429273

Applicable: NSX100/160/250/400/630 (AC/DC plug-in base)

Description: Fixed part of the automatic connector, installed on the base; must be matched with a movable plug

2. Supporting Movable Plug for Automatic Type (Matched with Fixed Base)

Movable plug for NSX100–250: LV429274

Movable plug for NSX400–630: LV432523

3. Manual 9-Wire Connector (Integrated Kit: Fixed + Movable)

LV429272

Includes fixed base + movable plug, manual plug-in design, no bracket required

Separate purchase of 9-wire fixed base: Only LV429273

Complete automatic connector set:

NSX100–250: LV429273 + LV429274 + LV429275

NSX400–630: LV429273 + LV432523 + LV432525

Simple manual version: LV429272