This device provides a reversible card-edge connector to attach it to a Tortoise switch machine and has separate connectors for its motor and the two sets of SPDT contacts. The reversible feature means that it can be connected either way to a switch machine and the wiring connections remain the same.

A 2-position screw terminal block provides connections for the motor power, and a 3-position terminal block provides connections for the traction power for an electrified frog, with the centre terminal being the common terminal.

Either a 3-position terminal block or a 3-pin header is available for the second SPDT contacts, with the header option provided for easier connection to a digital system, including our future signalling product, Signal Master Plus.

Switch Machine Interface Kit - Header Status

Price: $7.19

Switch Machine Interface
With header for status contacts - Version 1.00 Board & Parts Kit



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2 available for immediate shipment.

Switch Machine Interface Assembled - Header Status

Price: $10.29

Switch Machine Interface
With header for status contacts - Version 1.00 Assembled and Tested Unit



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1 available for immediate shipment.

Switch Machine Interface Kit - Terminal Block Status

Price: $8.19

Switch Machine Interface
With terminal block for status contacts - Version 1.00 Board & Parts Kit



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2 available for immediate shipment.

Switch Machine Interface Assembled - Terminal Block Status

Price: $11.29

Switch Machine Interface
With terminal block for status contacts - Version 1.00 Assembled and Tested Unit



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1 available for immediate shipment.

Switch Machine Interface Circuit Board

Price: $4.25

Switch Machine Interface
Version 1.00 Circuit Board



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146 available for immediate shipment.

Regular shipping fee based on location:

  • Canada: $12.50 (tracked)
  • USA: $16.00 (tracked)
  • Australia: $27.00 (tracked)
  • UK: $25.00 (tracked)
  • EU: $25.00 (tracked)
  • Thailand: $29.00 (tracked)
  • UAE: $29.00 (tracked)
  • Other locations: $30.00 (tracked where available)
  • FREE shipping on orders over $175

Tracked shipping is available to locations noted above plus the EU. Contact us for information on other locations.

Where tracking is available, a reduced priced non-tracked shipping option is available on small orders up to 200 grams.

Payment methods available:

  • PayPal
  • Cheque or money order via mail
  • Interac e-Transfer Interac e-Transfer (Canadian orders only)