Wacker Neuson 5100040950 Circuit Breaker 40A RCD

The Wacker Neuson Circuit Breaker 40A RCD is a genuine OEM electrical protection component designed for LTS8L and LTS8K series light towers. Sourced directly from Wacker Neuson, this part carries the same specifications as the unit installed at the factory, ensuring correct trip ratings and proper integration with the machine's electrical system. Confirmed fitment spans multiple LTS8L and LTS8K configurations, making the straightforward choice when replacing a failed or tripped breaker on these units.

Key Features

• Correct Trip Rating for Electrical Safety — Rated at 40A with residual current device (RCD) protection, this breaker is specified to match the load and fault-detection requirements of the LTS8L and LTS8K electrical circuits.
• Genuine OEM Component — Supplied by Wacker Neuson as an authorized OEM part, meaning the breaker meets the exact electrical specifications required for these light towers — not a generalized off-the-shelf substitute.
• Direct Swap Installation — Designed to replace the original breaker in the same mounting position, connecting to the existing wiring without adaptation or modification to the panel.
• Fits LTS8L and LTS8K Series — Verified compatibility across multiple LTS8L and LTS8K model variants, covering a range of serial configurations within these light tower families.
• Protects Downstream Electrical Components — A correctly functioning RCD circuit breaker shields the tower's wiring, outlets, and connected equipment from overcurrent and ground faults, preventing costly collateral damage.
• Electrical Safety Compliance — As a residual current device, this breaker provides personnel protection against electric shock in addition to overcurrent interruption — a critical safety function on powered light tower equipment operating in field conditions.

A circuit breaker with residual current device (RCD) function serves two protective roles in a light tower's electrical system. It interrupts the circuit automatically when current draw exceeds its rated amperage, preventing wiring and connected loads from overheating. The RCD element goes further by detecting even small leakage currents to ground — the kind that indicate a fault that could deliver a dangerous shock — and tripping the breaker before injury or equipment damage occurs. When this component fails or trips without resetting, the tower loses power output entirely, and continued operation without a properly rated replacement puts both equipment and operators at risk.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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