Chint NXRC 4-Pole 10A 380V Industrial Control Relay Auxiliary Contactor Isolation Control CHNT Contactor Relay

Name: Chint NXRC 4-Pole 10A 380V Industrial Control Relay Auxiliary Contactor Isolation Control CHNT Contactor Relay
Brand: CHINT
SKU: NXRC

Control Relay; IEC/EN60947-5-1.; for industrial automation and electrical control circuits

Model

Main Contact Configurations

Control Coil Voltage

Description

Chint NXRC

Control Relay

Control Relay – verified catalogue data for confident selection

Product Overview

The Chint NXRC is a control relay for industrial automation and electrical control circuits. This listing uses the model-specific values selected from the product catalogue. Please confirm the required rating and configuration before ordering.

Technical Parameters

Applicable standard	IEC/EN60947-5-1.
Maximum Rated Operational Voltage (AC)	380V
Maximum Rated Operational Voltage (DC)	220V
Main Contact Configurations	4NC (04), 1NO+3NC (13), 2NO+2NC (22), 3NO+1NC (31), 4NO (40)
AC-15 Rated Operational Voltage and Current	380V / 1.5A (Control capacity: 570VA)
DC-13 Rated Operational Voltage and Current	220V / 0.3A (Control capacity: 66W)
Operating Frequency	1200 times/h
Ambient Operating Temperature	-5°C~+40°C (mean value does not exceed +35°C within 24 hours)
Primary Applications	AC 50Hz or 60Hz relay control circuit, signal transmission circuit and isolation amplifier circuit
Rated Insulation Voltage (Ui)	690V
Conventional Free Air Thermal Current (Ith)	10A
Installation Altitude	Not exceed 2000m
Pollution Degree	Class 3
Installation Category	Category III
Installation Slope Angle	Not bigger than ±5° between mounting surface and vertical plane
Brand	Chint
Model	NXRC
Product type	Control Relay

Reference Datasheet Pages

The following pages were selected from the model catalogue and are included for technical reference:

NXRC Catalog and Technical Data

Additional information

Model	NXRC
Main Contact Configurations	4NC (04), 1NO+3NC (13), 2NO+2NC (22), 3NO+1NC (31), 4NO (40)
Control Coil Voltage	AC 24V 50/60Hz, AC 110V 50/60Hz, AC 127V 50/60Hz, AC 220V 50/60Hz, AC 380V 50/60Hz, DC 24V, DC 48V, DC 110V, DC 220V

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for Chint NXRC 4-Pole 10A 380V Industrial Control Relay Auxiliary Contactor Isolation Control CHNT Contactor Relay.

📥

Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.

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2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.

Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

AC-1 / AC-3 Duty

How to calculate contactor rating based on motor power and utilization categories (AC-1 vs AC-3 vs AC-4)?

AC-3 rating applies to standard squirrel-cage motor starting and stopping during normal run (starting current 5–7x In). For non-inductive or purely resistive heating loads, use the higher AC-1 rating. For severe inching, jogging, and plugging applications (AC-4 duty), derate the contactor or upsize by 1 to 2 frame sizes to prevent contact erosion.

Coil Voltage Selection

How to choose the correct control coil voltage, frequency, and electronic wide-voltage options?

Standard AC coils include 24V, 48V, 110V, 220V/230V, 380V at 50/60Hz. For DC control loops or PLC outputs, specify DC coils or electronic wide-range AC/DC coils (e.g. 100V–250V AC/DC) which feature built-in surge suppression, low holding power consumption, and immunity to voltage dips.

Overload Coordination

How to size and coordinate the matching thermal overload relay (TOR) for Type 2 protection?

Select a thermal overload relay whose current setting range straddles the motor full-load current (FLA). Set the dial precisely to 1.0x motor nameplate FLA. For IEC 60947-4-1 Type 2 coordination, pair the contactor and relay with backed-up upstream fuses or fast-acting MCB/MCCB to prevent welding under fault conditions.

Auxiliary & Interlocks

What auxiliary contact blocks and mechanical interlocks can be added for motor reversing?

Units feature built-in 1NO or 1NC auxiliary contacts, expandable with top-mounted 2-pole or 4-pole auxiliary contact blocks (F4 / AX) and pneumatic timer delay blocks. For forward/reverse motor starters or star-delta starter assemblies, add side-mounted mechanical interlock units (MI) with electrical interlocking.

Ambient & Altitude Derating

How do ambient temperature and installation altitude affect contactor performance?

Standard ratings are calibrated for -5°C to +40°C. For ambient temperatures exceeding 55°C or altitudes above 2000m (where reduced air density diminishes heat dissipation and dielectric insulation), derate operational current by 2% per 100m above 2000m and verify insulation voltage limits per IEC standards.

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