All Heljan Models using XL (Screw Type) and XLP (Pin Type)  Large decoders.

• 8Pin Standard ESU with Harness (For Hard Wiring) (1)
• 21Pin & Plux 22 Standard ESU (1)
• L Decoder (With mounting plate) (1)
• XL Decoder (With Screw Terminals & Twin speaker outputs) (1)