Nascom Surface Mount Terminal Contact N85TWGSW/ST, Wide Gap Switch & Magnet Set with Cover & Spacers, Snow White
Close the loop on every door.
A snow-white surface-mount magnetic contact with screw terminals, a cover and spacers. Its 1.5" standard gap suits commercial doors and windows, including steel.

A contact has to fit the door and the wiring.
Commercial doors, steel frames and retrofit jobs all put demands on a door contact. The gap, the mounting surface and the termination all have to suit the opening.
Built for commercial openings
Surface mounting, covered terminals and a wide gap make this set a practical fit for retrofit door and window protection.
Screw terminal wiring
Connect the zone wiring directly to the screw terminals under the cover.

Standard gap
Listed standard gap of 1.5" (38.1 mm) between switch and magnet.
Cover and spacers included
A cover conceals the terminals and spacers help align the switch and magnet.
1.5" standard gap
Supports the 1.5" standard gap for commercial doors and windows, including steel.
Listed to UL634
Listed to the UL634 standard for connectors and switches used with burglar-alarm systems.
Everything you need to know.
| Brand | Nascom |
| Model | N85TWGSW/ST |
| Contact Type | Closed Loop |
| Mounting | Surface mount |
| Standard Gap | 1.50" |
| Termination Style | Screw Terminal |
| Rated Voltage | 200 V DC |
| Rated Current | 1.5 A |
| Magnet Material | Neodymium |
| Housing Material | ABS |
| Dimensions | 2.6" L x 0.5" W x 0.5" H |
| Color | Snow white |
Nascom Surface Mount Terminal Contact N85TWGSW/ST, Wide Gap Switch & Magnet Set with Co...
The Nascom N85TWGSW/ST is a snow-white surface-mount terminal switch and magnet set supplied with a cover and spacers. Screw terminals allow the zone wiring to be connected directly at the contact, and the 1.5" standard gap suits commercial doors and windows, including steel applications.
Key Features
- Surface mount with screw terminals – Wire directly to the screw terminals under the cover.
- Cover and spacers included – A cover conceals the terminals and spacers help align switch and magnet.
- 1.5" standard gap – Supports the 1.5" standard gap listed by the supplier.
- Neodymium magnet – Permanent neodymium magnet.
- Listed to UL634 – Listed to the UL634 standard for connectors and switches used with burglar-alarm systems.
Specifications
- Brand: Nascom
- Model: N85TWGSW/ST
- Type: Surface mount terminal magnetic contact (switch/magnet set)
- Mounting: Surface mount
- Standard Gap: 1.5" (38.1 mm)
- Contact Configuration: N.O.
- Loop Type: Closed loop
- Termination: Screw terminal
- Rated Voltage: 200 V DC
- Rated Current: 1.5 A
- Contact Resistance: 0.15 Ω (150,000 µΩ)
- Magnet Material: Neodymium (permanent magnet)
- Housing Material: ABS plastic
- Dimensions: 2.6" L x 0.5" W x 0.5" H (66.04 x 13.335 x 12.065 mm)
- Color: Snow white
- Applications: Commercial, steel
- Certification: UL634
Typical Uses
- Commercial doors and windows, including steel
- Retrofit installs where wiring must terminate at the contact
- Surface installations that need a covered terminal block
Please verify the required gap, mounting surface and loop type (closed loop / switch configuration) against your alarm panel or access-control input and the door construction before ordering.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

Nascom N85TWGSW/ST, ready to order.
- Switch
- Magnet
- Cover
- Spacers
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