Circuit Protection Products

HomeProductsCircuit Protection Productsmccb accessories Under voltage contact ac230V ac380V dc240v dc 24v with wiring or termial
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mccb accessories Under voltage contact ac230V ac380V dc240v dc 24v with wiring or termial

W9 Group lists an MCCB undervoltage accessory with wiring or terminal connections and AC230V, AC380V, DC240V and DC24V designations in the title. Specify the host breaker and exact control supply, then confirm the coil version and operating sequence for the quoted accessory.

TECHNICAL DATA

MCCB Undervoltage Release and Coil-Supply Information

W9 Group lists an MCCB undervoltage accessory with wiring or terminal connections and AC230V, AC380V, DC240V and DC24V designations in the title. Specify the host breaker and exact control supply, then confirm the coil version and operating sequence for the quoted accessory.

The title voltage options and retained original electrical table are not identical. Confirm one exact AC or DC coil voltage on the nameplate and matching wiring diagram before energizing the accessory.

Frame 125/160 250 400
code UVT-125 UVT-250 UVT-400
 Ue(V) AC DC
230V  400V  110  220 24
ln(A)  0.3 0.3  0.15 0.15 0.15

SELECTION GUIDE

Selecting MCCB undervoltage release with wiring or terminals for Your Installation

Use MCCB undervoltage release as the enquiry reference and confirm the selected configuration against your circuit, connection and installation requirements.

01

Identify the host breaker

Provide the full MCCB model, frame and existing accessory arrangement. Confirm mechanical and electrical compatibility before ordering.

02

Specify the required function

Describe the operating or signaling task and the intended control system. Confirm the accessory function and any additional components.

03

Match the connection details

Request the exact wiring or installation drawing, mounting dimensions and terminal arrangement for the offered accessory.

04

Confirm the order contents

Confirm included parts, operating conditions and required documentation. Do not infer a complete control assembly from an accessory name.

Before specifying MCCB undervoltage release: Confirm the coil supply, host model, operation thresholds and control-wiring diagram for the offered version.

ABOUT W9 GROUP

W9 Group Support for MCCB undervoltage release Product Enquiries

Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a MCCB undervoltage release enquiry, contact W9 Group about configuration and matching product documents.

W9 Group OEM and ODM circuit protection product scope
W9 Group circuit-protection range — category illustration.

RELATED RESOURCES

MCCB Undervoltage Release Wiring and Coil-Supply Data

Use technical support and related products to specify MCCB undervoltage release. Request a datasheet and wiring diagram matching the selected MCCB undervoltage release configuration.

BUYER FAQ

MCCB Undervoltage Release Voltage and Compatibility FAQs

Find answers about MCCB undervoltage release selection, configuration and ordering.

How does an undervoltage release operate?

It responds to a low control-supply condition through the compatible breaker mechanism. Confirm the precise dropout, closing-permission and reset characteristics for the ordered coil.

Is it the same as a shunt trip release?

No. An undervoltage release responds to its supply condition; a shunt release operates from an applied trip command. Confirm the operating principle required by the control system.

Which voltage version should be ordered?

Provide the exact AC or DC control supply and request the corresponding order code and nameplate. Confirm the voltage schedule with W9 Group before energizing the coil.

Does the accessory fit every MCCB?

Host compatibility is not universal. Confirm the full breaker model, frame, mounting position and any other installed accessories.

Will restoring the supply automatically reclose the breaker?

Closing permission and automatic reclosing are different functions. Confirm the required reset sequence and any separate motor mechanism or controller; supply recovery alone does not establish remote closing.

Which timing and wiring details are needed?

Request the coil wiring, permitted energization conditions, any delay function and the opening/reset sequence for the exact accessory version.

What should I send for a MCCB undervoltage release quotation?

Send the complete MCCB undervoltage release designation, required configuration, quantity, destination market and documents needed. Ask W9 Group to confirm the offered item, price, minimum order quantity and delivery terms.

Send W9 Group the complete MCCB undervoltage release designation, circuit or host-equipment requirements, quantity and destination market. Request the exact offered configuration and its matching technical documents.

Request MCCB undervoltage release Pricing and Technical Documents

Tell W9 Group your complete order code, circuit duty, installation conditions and required technical documents, quantity and destination market so the selected configuration can be identified.

Contact W9 Group