Circuit Breakers & Apparatus · Indoor Circuit Breakers

12kV Indoor High-Voltage Vacuum Circuit Breaker

High-reliability indoor vacuum circuit breaker (VCB) with modular spring operating mechanism. Ideal for KYN28 switchgear panels and industrial circuit protection.

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Especificações Técnicas

Tensão Nominal	12 kV
Corrente Nominal	630 A / 1250 A / 2500 A / 3150 A
Rated Short-Circuit Breaking Current	20 kA / 25 kA / 31.5 kA / 40 kA
Mechanical Endurance	10,000 Operations (Class M2)
Closing Time	≤ 60 ms
Operating Mechanism	Modular Spring Mechanism AC/DC

Informação do Produto

ID do Produto

XH-VCB-12

Última Atualização

2026-07-30 07:01:46

Features

Advanced vacuum interrupter technology providing zero arcing maintenance and long electrical life.
Integrated solid-embedded pole design isolating interrupter from ambient moisture and dust.
Standard handcart / withdrawable design compatible with KYN28A-12 switchgear cubicles.

Internal Component Engineering Anatomy

High-precision 3D engineering cutaway model illustrating the core, windings, insulation, conservator tank, and protection accessories.

Vacuum circuit breaker internal 3D cutaway model

High-Grade Silicon Core

Electrolytic Copper Windings

Tap Changer System

Buchholz & Temp Sensors

Factory Quality Inspection & Testing Video

Watch routine factory testing and quality control inspections inside XinHuan's manufacturing facility.

All export transformers undergo 100% full routine tests (IEC 60076) before packing and shipping.

Perguntas Frequentes

Specify rated current (A), breaking capacity (kA), phase distance (mm), and truck type to get a price within 24h.

IEC 62271-100, GB 1984, ISO 9001

Fumigated export wooden case, 24-month warranty, worldwide CIF/FOB shipping

Mercados e Recursos Relacionados

Guia do Comprador

Como comprar da China

Normas e Conformidade

IEC 62271-100, GB 1984, ISO 9001

Embalagem, Entrega e Serviço

Fumigated export wooden case, 24-month warranty, worldwide CIF/FOB shipping

Specify rated current (A), breaking capacity (kA), phase distance (mm), and truck type to get a price within 24h.

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