Multiquip A400394103 Dimming Board with Thermo Sensor

The Multiquip A400394103 Dimming Board with Thermo Sensor is a genuine OEM component designed for Balloon Systems (CSA) light equipment. Sourced directly from Multiquip, this board matches the original electrical specifications required for correct operation in compatible Balloon Systems units. Verified part number A400394103 ensures you receive the exact board your equipment requires — no guesswork, no compatibility concerns.

Key Features

• OEM-Matched Electrical Specification — Manufactured to the original circuit design, ensuring the dimming control and thermal sensing functions perform exactly as intended by Multiquip engineers.
• Integrated Thermo Sensor — The onboard thermal sensor monitors operating temperature, protecting the lighting system from heat-related faults and enabling automatic output adjustment.
• Direct Board Swap — Designed to install into the existing mounting position and connect to the original wiring harness without modification to the housing or connector terminals.
• Confirmed Fitment for Balloon Systems (CSA) — Compatible with GB8LED (CSA) and GBC8LED (CSA) Balloon Systems, making part selection straightforward for service technicians and operators.
• Electrical Safety Compliance — As a CSA-applicable component, this board is engineered to meet the electrical safety standards required for CSA-certified Balloon Systems equipment.

The dimming board in a balloon-style light system controls the intensity of the LED light output, allowing the operator to adjust brightness levels for different work conditions or power-conservation requirements. The integrated thermo sensor monitors the temperature of the board and connected components, signaling the system to reduce output or shut down safely if temperatures exceed safe operating thresholds. When this board fails or the sensor degrades, the lighting system may lose dimming functionality, operate erratically, or become vulnerable to heat damage that can affect the entire light assembly.

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.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.