CHINT ELECTRIC

CHINT NXB MCB Accessories AX/AL/SHT/UVT/OVT/OUVT-X1/X3

Name: CHINT NXB MCB Accessories AX/AL/SHT/UVT/OVT/OUVT-X1/X3
Brand: CHINT ELECTRIC
SKU: CHINT NXB MCB Accessories UVT Under Vottage / -X1 for NXB-63 1-63A
Price: 66.0 AED
Availability: InStock

Dhs. 66.00 AED

~~Dhs. 73.00 AED~~ Dhs. 66.00 AED

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Rated Current UVT Under Vottage OUVT Over Under V OVT Over Vottage AX Auxiliary AL Alarm SHT Release AC220V SHT Release DC24V48V

Poles Number '-X1 for NXB-63 1-63A '-X3 NXB-125 80-125A

Product variants

Free Shipping Above 200 AED
شحن مجاني عند طلبك أكثر من 200 درهم إماراتي

Quantity

CHINT NXB MCB Accessories AX/AL/SHT/UVT/OVT/OUVT-X1/X3 Auxiliary, Alarm, Shunt, Over/Under Voltage Trip Unit for NXB-40/63/125 Mini Circuit Breaker

Product Description

Overview

Original CHINT modular snap-on auxiliary accessories exclusively designed for NXB Kunlun series miniature circuit breakers.

X1: Side mount for NXB-40 / NXB-63 (1P~2P standard frame breaker)
X3: Side mount for NXB-125 / NXB-125G (3P~4P large current frame breaker)

6 full types to realize status feedback, fault alarm, remote tripping, overvoltage/undervoltage automatic protection for distribution cabinet breakers.

Full Option English List

1. AX-X1 / AX-X3 | Standard Auxiliary Contact

AX-X1 ??? AX-X1 Auxiliary Contact (for NXB-40/NXB-63)

AX-X3 ??? AX-X3 Auxiliary Contact (for NXB-125/NXB-125G, Selected Item)

Function: Synchronous ON/OFF signal output following main breaker?€?s switch action for PLC & status indicator.

2. AL-X1 / AL-X3 | Fault Alarm Auxiliary Contact

AL-X1 ??? AL-X1 Fault Alarm Contact (NXB40/NXB63)

AL-X3 ??? AL-X3 Fault Alarm Contact (NXB125/NXB125G)

Function: Only outputs trigger signal when breaker trips from overload/short-circuit fault.

3. OVT-X1 / OVT-X3 | Over Voltage Trip Release

OVT-X1 ??? OVT-X1 Overvoltage Tripping Device(X1 frame)

OVT-X3 ??? OVT-X3 Overvoltage Tripping Device(X3 frame)

Auto-cut off breaker when supply voltage exceeds overvoltage threshold.

4. UVT-X1 / UVT-X3 | Under Voltage Trip Release

UVT-X1 ??? UVT-X1 Undervoltage Trip Unit(X1)

UVT-X3 ??? UVT-X3 Undervoltage Trip Unit(X3)

Automatically trip breaker when input voltage drops below undervoltage setting.

5. OUVT-X1 / OUVT-X3 | Combined Over+Under Voltage Trip

OUVT-X1 ??? OUVT-X1 Over & Undervoltage Dual Protection Trip(X1)

OUVT-X3 ??? OUVT-X3 Over & Undervoltage Dual Protection Trip(X3)

Realize both overvoltage & undervoltage automatic breaking protection in one unit.

6. SHT-X1 / SHT-X3 | Shunt Trip Release (Remote Cut-off Coil)

SHT-X1 AC230V/400V Eco ??? SHT-X1 Shunt Trip AC230/400V for NXB40/NXB63

SHT-X1 AC/DC24V/48V Eco ??? SHT-X1 Shunt Trip AC/DC24/48V for X1 frame

SHT-X3 AC230V/400V Eco ??? SHT-X3 Shunt Trip AC230/400V for NXB125/NXB125G

SHT-X3 AC/DC24V/48V Eco ??? SHT-X3 Shunt Trip AC/DC24/48V for X3 frame

Remote energize to trip breaker for remote power cut control.

Core Technical Parameters

Item	Specification
Fit Breaker	X1:NXB-40/NXB-63; X3:NXB-125/NXB-125G
Contact Rating	AC250V 3A
SHT Available Voltage	AC230V/400V / AC/DC24V/48V
Installation	Side snap-on mounting, no modification on original MCB
Shell Material	UL94-V0 flame retardant environmental plastic
Standard	GB/T14048.5

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Product Advantages

Plug-and-play Side Assembly: Directly snap onto the right side of corresponding NXB breaker, convenient for cabinet on-site renovation and later upgrade.
Complete Function Portfolio: Cover status monitoring, fault alarming, remote breaking, over/under voltage full protection demands.
Strict Size Classification: X1 for 63A small frame, X3 for 125A large frame, fully match all mainstream NXB pole configurations.
Stable Mechanical Linkage: Precise mechanical linkage with main switch, accurate signal & tripping action.

Application Scenarios

Household distribution box, industrial control cabinet, photovoltaic combiner box, building fire monitoring system, generator power distribution panel.