Wacker Neuson 5200017789 Terminal Block, 4 Position, DIN Mount, Green

The Wacker Neuson Terminal Block, 4 Position, DIN Mount, Green is a genuine OEM electrical component designed for the HI1000, HI260, E1250, and HSH380 series hydronic and indirect air heaters. As a direct-source OEM part, it is manufactured to the exact specifications used in original production, ensuring correct conductor sizing, contact resistance, and DIN rail fitment out of the box. This terminal block is compatible across a broad range of Wacker Neuson heater configurations including diesel, natural gas, and propane variants, covering both standard and premium models. If your heater's wiring panel shows signs of connection failure, arcing, or loose terminals, part number is the correct OEM replacement to restore safe, reliable electrical distribution.

Key Features

• Correct Contact Specification — Genuine OEM construction ensures proper conductor clamping force and contact resistance for stable electrical distribution in heater control circuits.
• Standard DIN Rail Mount — Clips directly onto the existing DIN rail in the heater's wiring enclosure — no drilling, adapter hardware, or re-routing of existing wiring required.
• 4-Position Configuration — Four discrete terminals in a single block match the original wiring layout exactly, maintaining correct circuit separation across heater control functions.
• Broad Heater Series Coverage — Fits HI1000 Indirect Air Heaters, HI260, E1250B/S/P Hydronic Heaters, and HSH380B/S models across diesel, LP, and natural gas fuel variants.
• Electrical Safety Compliance — Using the correct OEM terminal block in combustion heater wiring circuits is critical; improper terminal connections in fuel-burning equipment can create ignition or fault hazards.

A terminal block is a modular wiring component that provides a secure, organized connection point between two or more electrical conductors without the need for direct wire splicing. In a Wacker Neuson heater, the terminal block sits on the DIN rail inside the control enclosure and distributes power and signal connections between the burner assembly, control board, sensors, and auxiliary outputs. When a terminal block fails — through corrosion, heat fatigue, or mechanical loosening — connections become intermittent or drop out entirely, causing erratic burner behavior, fault codes, or a complete failure to start. Replacing a worn or damaged block with the correct OEM part restores consistent electrical continuity and keeps the heater's control system functioning as designed.

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.