The NCE 5240151 Switch8-Mk2 Accessory DCC Decoder for 8 Tortoise Switch Machines is the Switch8-Mk2 — a DCC accessory decoder that controls eight Tortoise (or SMAIL Lite) stall-motor switch machines from one board.What it does: On-board LED display + push-button programming — no jumpers, no programming track required. Each of the 8 outputs supports the full range of DCC accessory addresses (1–2044). Remembers turnout positions through power outages. Optional Button Board accessory adds local panel pushbutton control. Wiring is dead simple: two wires to track power, two wires to each switch machine. Type: Accessory (stationary) decoder For: 8 × Tortoise / SMAIL Lite stall-motor switch machines Address range: 1 – 2044 (full DCC accessory range) Programming: On-board, no programming-track connection Memory: Position remembered through power loss Local control: Optional Button Board accessory NCE part: 5240151 (Walthers 524-151) Tip: NOT for twin-coil snap machines — use the Q-Snap (5240153) for those. The Switch8-Mk2 is the most cost-effective way to DCC-ify 8 Tortoises on one board.About NCE: NCE Corporation (USA) — a leading manufacturer of NMRA-compliant DCC systems, mobile decoders, accessory decoders, and automation electronics. NCE products are renowned for the Pro Cab and Power Cab throttles, the rugged D-series mobile decoders (D13 / D408 / D16), the Switch-It / Switch8 / Snap-It family of accessory decoders for stationary turnout control, the BD20 block detector, and a full cab bus / booster / circuit-breaker ecosystem. Most NCE products are also fully compatible with other NMRA DCC systems.In stock at Oakville Model Trains Depot.
