HJ-VCB Series Indoor Vacuum Circuit Breaker

Name: HJ-VCB Series Indoor Vacuum Circuit Breaker
Brand: HJATIS

The HJ-VCB Series Indoor Vacuum Circuit Breaker is designed for medium-voltage power distribution up to 40.5kV. It features embedded pole technology and magnetic actuator options. Models include the HJ-VCB-12/24 with spring mechanism, the HJ-VCB-12E with embedded poles for harsh environments, the HJ-VCB-12L for compact RMU panels, the HJ-VCB-12M with permanent magnetic actuator for high-frequency switching, and the HJ-VCB-40 Series for primary substations. Applicable standard family to verify: GB/T 1984 / IEC 62271-100.

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HJATIS

PUBLISHED PRODUCT DATA

Catalogue ratings and configurations.

The project data sheet should state the selected rating, options and site conditions.

Model Selection Matrix

Model Selection Matrix
Global Series	Rated Voltage	Pole Technology	Operating Mechanism	Key Feature / Application
HJ-VCB-12/24	12kV / 24kV	Assembled Insulating Cylinder	Spring Mechanism	Standard reliable distribution
HJ-VCB-12E (Embedded)	12kV	Embedded Pole (Solid-Sealed)	Spring Mechanism	Harsh environments, Anti-condensation
HJ-VCB-12L (Lateral)	12kV	Assembled / Embedded	Spring Mechanism	Side-mounted for compact RMU panels
HJ-VCB-12M (Magnetic)	12kV	Embedded Pole (Solid-Sealed)	Permanent Magnetic Actuator	High-frequency switching (>100k cycles)
HJ-VCB-40 Series	40.5kV	Assembled Insulating Cylinder	Heavy-Duty Spring	Primary substations, Large fault currents

CONFIGURATION

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ParameterCatalogue indicationProject input required

01Rated Voltage12kV / 24kV / 40.5kVSpecify system voltage (e.g., 12kV, 24kV, 40.5kV)

02Pole TechnologyAssembled Insulating Cylinder or Embedded Pole (Solid-Sealed)Select based on environmental conditions (e.g., embedded for harsh environments)

03Operating MechanismSpring Mechanism or Permanent Magnetic ActuatorChoose spring for standard duty, magnetic for high-frequency switching (>100k cycles)

04ApplicationStandard distribution, harsh environments, compact RMU panels, primary substationsDefine application type (e.g., RMU panel, substation)

STANDARDS & REPORTS

Standards and product documents.

Applicable references: GB/T 1984 and IEC 62271-100. Ask for the edition and reports covering the model offered; a standard number alone does not confirm product compliance.

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APPLICATIONS

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Utility and industrial distribution

What are the feeder rating and fault level at the installation point? Send the protection scheme with the enquiry.

Renewable-energy collection networks

Will the device switch cables, transformers or other plant loads? State the switching duty and required control signals.

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HJ-VCB Series Indoor Vacuum Circuit Breaker

Model Selection Matrix

Standards and product documents.

Utility and industrial distribution

Renewable-energy collection networks

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Send the SLD, specification or BOQ.