Multi-CB Combination with Metering RMU Solution

BMBB

Multi-CB combination with metering unit

Application Scenarios

Suitable for terminal power supply systems of distribution networks with metering requirements

Applicable to residential areas, commercial zones and industrial zones

Can be installed inside distribution rooms, package substations and outdoor switch cabinets

Core Features

Expandable

Designed with expansion capability for future capacity upgrade

Vacuum circuit breaker

Capable of breaking short-circuit currents to minimize outage areas

Relay protection

Can be fitted with integrated protection relays or automation terminals to meet various outgoing circuit protection requirements

Main Parameters

Rated Voltage	12kV & 24kV
Rated Current	630A & 1250A
Rated Short-circuit breaking Current	20kA / 25kA
Dimension (W × D × H)	12kV: 1730×800×1640 24kV: 2200 ×850×1890 Dimensions without secondary top box Note: Take 630A product as an example
Design life	40 years
Optional Accessories	• Surge arresters • Metering CTs and PTs • EKL4 short-circuit & earth fault indicator • Tripping coil 1: AC230V / DC48V / DC110V • Tripping coil 2: Under-voltage release coil, AC230V

More options

B+PT+PT+B

PT1 for busbar voltage measurement;
PT2 supplies operating power for secondary circuits.

BBBBBB+PT

Ring Main Power Supply Scheme

Let's get in touch!

No matter which stage your project is at, our professional team of engineers can provide you with full-process professional support from product selection, solution design, factory visits to delivery and maintenance.

phone

+86 15118692473

dicke.li@hmpower.com.cn

input must not exceed 280 in length!

name

Please enter a valid email address!

Please enter a valid phone number!

phone/whatsApp

input must not exceed 280 in length!

company

Attachment

File required to be uploaded, Format Support——txt, doc, docx, ppt, pptx, xlsx, xls, pdf, jpg, png, bmp, gif, jpeg, rar, zip, Do not upload more than 20Mb or file name maximum 100!

Attachment

textarea must not exceed 65530 in length!

content

The global pioneer of atmospheric pressure sealed nature air insulated technology.

contatc us

Phone/Whatsapp: +86 18138383310

Mail: sales@hmpower-global.com
Address: No.20 Xinyue Road, Shunde Science&Technology Industrial Park, Foshan City, Guangdong Province 528300, P.R.C.

Quick Link

RMU

About us

Resource

弹窗效果

HM Power to Present Zero-SF₆ RMU Solutions at All Energy Australia 2026

To make the most of your time at the show, we recommend scheduling a dedicated meeting slot in advance. Simply complete the form, and our team will confirm your booking before the exhibition.