Seco-Larm SM-4302-LQ/W Roller-Ball Recessed-Mount N.C Magnetic Contact, White
SKU
SM-4302-LQ/W
Model No
SM-4302-LQ/W
$3.32
Seco-Larm SM-4302-LQ/W Roller-Ball Recessed-Mount N.C Magnetic Contact, White is available to buy in increments of 10
Product Highlights
- Used for protecting sliding doors and windows where space is limited
- Magnet and reed switch contained in housing
- Spacer and screws included
- Rollerball plunger travel is ¼″³ (6.35mm)
- 360º Roller-ball

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The SM-4302-LQ/W from Seco-Larm is a rollerball-type recessed-mount magnetic contact switch, N.C., designed for space-efficient security applications. Its durable construction and reliable performance make it ideal for protecting sliding doors and windows, ensuring your property remains secure.
Seco-Larm SM-4302-LQ/W Key Features
- Space-efficient design: Used for protecting sliding doors and windows where space is limited, providing security without taking up extra room.
- Integrated components: Magnet and reed switch contained in housing for a streamlined installation.
- Installation accessories: Spacer and screws included for easy and secure mounting.
- Durable plunger travel: Rollerball plunger travel is ¼? (6.35mm), ensuring a reliable connection.
- Full range of motion: 360º Roller-ball technology allows for versatile installation angles.
- Long leads: 18? (46cm) leads provide flexible wiring options during installation.
- High-performance switch: Contact reed switch is SPST, iridium-plated for high melting point and Vickers hardness, allowing for higher power handling and a longer expected life.
- Closed loop functionality: Designed for closed loop circuits for enhanced security integration.
Seco-Larm SM-4302-LQ/W Detailed Specifications
| Type | Roller-Ball Recessed-Mount N.C. Magnetic Contact |
| Color | White |
| Lead Length | 18" (46cm) |
| Plunger Travel | ¼? (6.35mm) |
| Reed Switch Type | SPST, Iridium-Plated |
| Usage | For closed loop circuits |
| Included Accessories | Spacer and screws |
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