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Low-voltage components

Circuit breakers, transfer switches, disconnectors and surge protection for low-voltage panels. Selection ranges are indicative; request the data sheet for the exact model.

HJATIS HJ-MCCB molded case circuit breaker for low-voltage feeder protection
LV Components

HJ-MCCB Series Molded Case Circuit Breakers

HJ-MCCB molded case circuit breakers protect incomer, feeder and motor circuits. Compare the frame, trip unit and breaking capacity for the circuit.

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HJATIS HJ-RC-MCCB residual-current molded case circuit breaker with electronic trip unit
LV Components

HJ-RC-MCCB Series Residual-Current Molded Case Circuit Breakers

For feeders that need residual-current protection alongside electronic overcurrent protection. HJ-RC-MCCB selection depends on the trip functions and settings required.

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HJATIS HJ-ATS automatic transfer switch for utility and generator source changeover
LV Components

HJ-ATS Series Automatic Transfer Switches

HJ-ATS switches transfer a load between two power sources. Share the source arrangement, pole count and required transfer sequence with your enquiry.

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HJATIS HJ-ACB air circuit breaker with electronic protection for low-voltage switchgear
LV Components

HJ-ACB Series Air Circuit Breakers

Air circuit breakers for main incomers and bus couplers in low-voltage switchboards. HJ-ACB options depend on current, short-circuit duty and the protection functions needed.

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HJATIS HJ-RCBO residual-current circuit breaker with overcurrent protection for DIN-rail installation
LV Components

HJ-RCBO Series Residual-Current Breakers with Overcurrent Protection

HJ-RCBO combines residual-current and overcurrent protection for final circuits. Specify the circuit current, poles and residual-current characteristics.

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HJATIS HJ-MCB miniature circuit breaker for final low-voltage distribution circuits
LV Components

HJ-MCB Series Miniature Circuit Breakers

Miniature circuit breakers for final distribution boards. Select HJ-MCB by rated current, tripping curve, pole count and the fault level at the board.

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HJATIS HJ-OVP automatic overvoltage and undervoltage protector with self-reset function
LV Components

HJ-OVP Series Automatic Overvoltage and Undervoltage Protectors

HJ-OVP monitors overvoltage and undervoltage on low-voltage circuits. Discuss the trip thresholds, delay and reconnection behaviour needed for the load.

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HJATIS HJ-CPSD control and protective switching device for motor and feeder circuits
LV Components

HJ-CPSD Series Control and Protective Switching Devices

Control and protective switching devices for motor feeders. HJ-CPSD selection starts with the motor duty, operating current and control supply.

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HJATIS HJ-SD low-voltage switch disconnector with panel operating handle
LV Components

HJ-SD Series Switch Disconnectors

HJ-SD switch disconnectors provide isolation for low-voltage circuits. Compare mounting, pole count and utilisation category for the intended duty.

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HJATIS HJ-SPD low-voltage surge protective device with pluggable DIN-rail modules
LV Components

HJ-SPD Series Low-Voltage Surge Protective Devices

Surge protective devices for low-voltage distribution. Select HJ-SPD to suit the earthing system, installation point and required surge-protection coordination.

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Product documents

Available test reports and manuals for the equipment shown on this page.

No public report or manual is currently listed for these models. The download centre contains the available company and product literature; our team can answer questions about other documents.

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