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Silent Knight SD505-DTS Remote Test Switch

9 in stock
90 Days
- +

Product Description

Silent Knight SD505-DTS is a remote test switch for use with the SD505-ADHR that provides remote key operated test function and annunciation of detector alarm.
Please note: All parts should be installed and tested by a certified fire alarm company.

Questions (4)

What are the product’s dimensions?
Dimensions: 2¼” H x 9” L x 7¼” W
What are the electrical specifications of this product?
Operating Voltage: 24 VDC Alarm Relay Contact rating: 10A @ 24 VDC;10A @ 115 VAC; 10A @ 240 VAC Trouble Relay Contact Rating: 2.5A @ 30 VDC Aux. Power Input Current: 20mA Standby, 62 mA Alarm SLC Input Current: 0.5 mA Max. SLS resistance: 50 Ohms
What if I need to return this?
All products are covered by our 90-day warranty and come with a prepaid UPS return label and RMA form. Returning products has never been this easy.
What if I need support?
Our friendly team is on hand with expert advice and assistance. Contact us Mon-Fri 8am-8pm by phone (888.303.2656), by email ( or using our online chat. Responses within 1 business day (if not sooner!)