E-942FC-1K3SQ - Uncategorized Seco-Larm - Free user manual and instructions
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| Product Type | Magnetic Contact Switch |
| Brand | Seco-Larm |
| Model | E-942FC-1K3SQ |
| Application | Door/Window Status Detection |
| Contact Type | Form C (SPDT) |
| Operating Voltage | 30 VDC / 24 VAC max |
| Current Rating | 0.5 A max |
| Dimensions (Reed Switch) | 1.5 x 0.5 x 0.5 in (38 x 13 x 13 mm) |
| Dimensions (Magnet) | 1.5 x 0.5 x 0.5 in (38 x 13 x 13 mm) |
| Weight | 0.1 lb (45 g) per piece |
| Mounting | Surface mount with screws or adhesive |
| Wiring | 3 wires (common, normally open, normally closed) |
| Gap Distance | 0.75 in (19 mm) max |
| Operating Temperature | -40°F to 140°F (-40°C to 60°C) |
| Material | ABS plastic housing, magnet (ceramic/ferrite) |
| Maintenance | Clean with dry cloth; avoid moisture |
| Safety | Low voltage device; no shock hazard |
| Compliance | UL listed, RoHS compliant |
| Included Accessories | Mounting screws, magnet, reed switch |
| Repairability | Non-repairable; replace unit if faulty |
Frequently Asked Questions - E-942FC-1K3SQ Seco-Larm
What is the typical use of the Seco-Larm E-942FC-1K3SQ?
It is a magnetic contact switch used for detecting open or closed status of doors, windows, or gates in security systems.
How do I wire the E-942FC-1K3SQ?
The switch has three wires: common (C), normally open (NO), and normally closed (NC). Connect COM to the control panel, NO for alarm on opening, NC for alarm on closing.
What is the maximum gap between the magnet and the switch?
The maximum recommended gap is 0.75 inches (19 mm) for reliable operation.
Can this contact be used outdoors?
The housing is ABS plastic, but it is not waterproof. It should be installed in a dry location or protected from moisture.
What voltage and current can the switch handle?
It is rated for 30 VDC or 24 VAC max, and 0.5 A max. It is suitable for low-voltage security systems.
Does the Seco-Larm E-942FC-1K3SQ require a power supply?
No, it is a passive device that does not require external power. The control panel provides the sensing voltage.
How do I mount the E-942FC-1K3SQ?
Mount the reed switch on the door frame and the magnet on the door, aligning them within the gap distance. Use the included screws or double-sided tape.
Is the E-942FC-1K3SQ compatible with all alarm panels?
It works with any panel that supports normally open or normally closed loops. Check the panel's wiring specifications.
What is the warranty on this product?
Seco-Larm typically offers a limited lifetime warranty. Contact their support for specific terms.
Can I replace only the magnet if lost?
Yes, the magnet is a separate component. You can purchase a replacement magnet from Seco-Larm or use a compatible one.
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