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  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 1
  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 2
  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 3
  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 4
  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 1
  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 2
  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 3
  • MCCB circuit breaker WLM8LY-630H-3300 WLM8LY Series earth leakage protection type Residual Current 630A 3 poles mccb breaker Gallery image 4

WLM8LY-630H-3300 earth leakage MCCB

The WLM8LY-630H-3300 earth leakage MCCB is a W9 Group earth-leakage protection model identified as 630 A and 3 poles. Match the residual-current sensing, pickup and trip-time requirements to the installation. Request the complete release specification and neutral-conductor connection arrangement. Request the selected configuration and matching technical documents from W9 Group.

TECHNICAL DATA

WLM8LY-630H-3300 Earth Leakage MCCB: 630 A, 3 Pole Protection Selection

The WLM8LY-630H-3300 earth leakage MCCB is a W9 Group earth-leakage protection model identified as 630 A and 3 poles. Match the residual-current sensing, pickup and trip-time requirements to the installation. Request the complete release specification and neutral-conductor connection arrangement.

WLM8LY-630H-3300 product specifications
Product model WLM8LY-630H-3300
Product category Earth-leakage protection molded case circuit breaker
Current designation 630 A
Poles 3P
Leakage pickup and trip time Confirm from the selected release specification
Sensing and neutral arrangement Request the exact connection diagram
Overcurrent functions Confirm the complete overload and short-circuit protection specification

SELECTION GUIDE

How to Select WLM8LY-630H-3300 Earth Leakage MCCB Pickup and Trip Delay

Specify the model, current, voltage, leakage pickup, delay, neutral arrangement and required outputs when requesting a WLM8LY-630H-3300 quotation from W9 Group.

01

Define the leakage duty

Specify the protection objective, load leakage characteristics and coordination needs. Confirm pickup, delay and residual-current waveform response.

02

Check conductor routing

Request the sensing and wiring diagram, including neutral routing and any external sensor. Confirm the actual supply arrangement before panel wiring.

03

Coordinate the full protection

Request overload, short-circuit and residual-current curves for the supplied release. Confirm fault ratings at the intended circuit voltage.

04

Specify operation and feedback

Identify whether the panel needs protective tripping, an alarm signal or remote operation. Confirm each accessory and its control supply separately.

Before specifying WLM8LY-630H-3300: Confirm leakage pickup, trip time, waveform response, neutral sensing, overcurrent functions and operating-voltage fault ratings for the supplied release.

ABOUT W9 GROUP

W9 Group WLM8LY-630H-3300 Earth Leakage Circuit Breaker Support

Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a WLM8LY-630H-3300 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

WLM8LY-630H-3300 Earth Leakage MCCB Neutral Wiring and Protection Documents

Use technical support and related products to specify WLM8LY-630H-3300. Request a datasheet and wiring diagram matching the selected WLM8LY-630H-3300 configuration.

BUYER FAQ

WLM8LY-630H-3300 Earth Leakage MCCB FAQs: Sensitivity, Alarm and Tripping

Find answers about WLM8LY-630H-3300 selection, configuration and ordering.

Which current and poles are listed for WLM8LY-630H-3300?

W9 Group identifies 630 A and 3 poles for this model. Confirm the selected release and complete order code.

What earth-leakage sensitivity and delay can I select?

Request the matching pickup and trip-time schedule. The earth-leakage designation does not establish a particular sensitivity, delay or waveform classification.

How is the neutral connected in a 3-pole installation?

Confirm the network arrangement and the manufacturer sensing diagram. Specify whether a neutral is present and how all relevant conductors pass through the residual-current sensing arrangement.

Does this listing establish complete overload and short-circuit settings?

Request the exact release specification and curves for the required combined protection. The earth-leakage description alone is insufficient to select overcurrent settings.

Is leakage alarm the same as protective tripping?

No. Specify whether the required response is an indication, an alarm output or opening the power circuit. Confirm the supplied output contacts and release behavior.

Is smart-home control or remote closing included?

Confirm any motor operator, shunt release, control interface, supply and interlocks separately. Earth-leakage protection does not itself establish network connectivity or remote closing.

What is needed for a WLM8LY-630H-3300 quotation?

Send the required configuration, quantity, destination market and document requirements. Ask W9 Group to confirm price, minimum order quantity, samples and lead time for the selected configuration.

PRODUCT ENQUIRY

Request a WLM8LY-630H-3300 Earth Leakage MCCB Quotation

Tell W9 Group your model, current, voltage, leakage pickup, delay, neutral arrangement and required outputs, quantity and destination market so the selected configuration can be identified.

Contact W9 Group