HO Scale Kadee #309 Under-the-Ties Delayed-Action Electric Uncoupler Kit

This Kadee #309 Magne-Electric uncoupler provides delayed-action magnetic uncoupling for HO scale model railroad layouts. It installs under the ties on straight track and is suited to modelers who want controlled uncoupling on mainlines.

Product Details

• Brand: Kadee
• Item: #309 Under-the-Ties Delayed-Action Electric Uncoupler Kit
• Scale: HO
• Compatibility: Any HO code track, with under-the-ties installation on straight layout track
• Operation: 16-volt DC. An 18-volt AC source may be converted to DC with a bridge rectifier.
• Recommended control: Kadee #165 Red normally open momentary contact push-button switch

Package Contents

One uncoupler kit containing:

• 1 coil
• 1 steel core
• 4 field plates
• 1 field plate divider
• 1 upper track mounting plate
• 1 10-32 x 7/8-inch bolt and 1 10-32 nut
• 3 2 x 3/8-inch flat-head self-tapping screws
• 4 0-48 x 1/4-inch screws
• 4 0-48 x 3/8-inch screws
• 1 bridge rectifier
• 1 capacitor

The kit is ready to assemble and install under the ties. Track is not included.

Installation and Use

• Use a 16-volt DC power source rated at least 3 amps, or an 18-volt AC source rated at least 3 amps converted to DC with a bridge rectifier.
• Install on straight layout track, especially where false uncoupling may occur on mainlines.
• Do not activate the uncoupler for longer than 2 minutes at one time to help prevent overheating and damage.

Related Resources

Browse HO Scale Track Accessories for related layout components. For manufacturer information, visit Kadee.