The D20 5 Term Above Surface Single Reed Magnetic Door Contact from Knight Fire & Security is ideal for placement in doors and windows in light-risk domestic or commercial areas.
When wired to an alarm system, these contacts will trigger the sounder if the gap opening exceeds 20mm, and as the contact creates a circuit to your security system, wire tampering or a forced break of the circuit elsewhere will also sound the alarm.
What is meant by the term Grade 1?
Grade 1 refers to the grade of intruder alarm system you have on the premises, especially if you are depending on the alarm system for insurance cover in your home or business. A Grade 1 Alarm basically means Low Risk, Intruders are expected to have little knowledge of the alarm system and may be restricted to a limited range of easily available tools.
The contacts are suitable for recessing or mounting on the inside frame of your chosen door or window and are paintable for a discreet fit.
Main Features:
- Single Reed Switch Door & Window Contact
- Grade 1 Alarm Trigger
- 15mm Operating Threshold
- High Impact Polystyrene Construction
Technical Specification:
- Operating Gap: 20mm (Approx)
- Materials: High Impact Polystyrene
- Magnet: Ferrite or Alnico V
- Contact Material: Rhodium
- Voltage Range: 1 – 100v DC, 125v AC Max
- Switching Current: 500mA Max DC, 500mA Max AC
- Temperature Range: -40°C – +50°C
Installation of this product may require Alarm Cable
Prompt Delivery and Professional Packaging
We are able offer many shipping options thanks to our long-term partnership with UPS FedEx DHL. Our warehouse personnel will pack every item to our exacting specifications. Your products will be subjected to a thorough examination and will be properly packaged prior to being delivered. We deliver to thousands of customers each day in different countries. This shows our commitment to becoming the biggest retailer online in the world. The warehouses are located situated in Europe as much as they are in USA.
Orders that include more than one item are given processing time in accordance with the item.
Before shipping We will inspect thoroughly the items you've purchased. The majority of orders are delivered within 48 hours. Delivery time ranges between 3-7 days.
Returns
Due to the multiple parties involved, including the factory and the warehouse, we're unable to completely manage our stock. Therefore, the actual inventory could fluctuate at any moment. It's possible that your order will become unfulfilled when you have placed the order.
The policy is 30 days. Unfortunately, if thirty days have passed from the date you purchased the item, we cannot provide a refund or exchange.
In order to be eligible for a return your product must be unopened and in the same condition as when you received it. It must also be in the original packaging.
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