Sentek Cheap UL Door Window Open Close Switch Security Alarm System

• Type: Home Alarm
• Signal Transmission: Wired Alarm
• Working Mode: Active
• Certification: CE, RoHS, UL
• Application: Security
• Certificate: Ce, UL, cUL,RoHS
• Model NO.: BR-1021
• Color: White/Brown/Grey
• Leads: 18"#22AWG
• Loop Type: Closed
• Reed Form: N/O
• Closed Gap: 1(23)(in Wood)[Inch(mm)]
• Depature Gap: 1(25)[Inch(mm)]
• Diameter: 3/4"
• Transport Package: 1000PCS/Cartons
• Specification: UL Listed Mortise Cylindrical Normally Open Door
• Trademark: SENTEK
• Origin: Ningbo China
• HS Code: 8531901000
• Production Capacity: 1000000PCS/Month

Product Description

Sentek Cheap UL Door Window Open Close Switch Security Alarm System

Specification: 

Style:	Sentek Cheap UL Door Window Open Close Switch Security Alarm System	Item:	BR-1021
Magnet:	Rare Earth Magnet	Color:	White, Brown, Grey
Wire RangeCable:	#20~#24AWG	Loop Type:	Closed
Reed Form:	N/O	Colsed Gap[Inch(mm)]	3/4(19)
Depature Gap[Inch(mm)]	0.95 (24)	Maximum InitialContact Resistance(Ohm)	0.150
MaximumContact Rating(W)	7.5	Maximum Switching Voltage(VDC/VAC)	100
Maximum Switching Current(A)	0.4	Certificate	CE, UL

Sentek Cheap UL Door Window Open Close Switch Security Alarm System Dimension (mm):

 

Product Features: 
* Diameter: 3/4", press to fit 
* Suitable for steel door installation 
* Self-locking
* Longer leads available
* Standard 18" 22AWG leads
* Switch and magnet available separately
* Resistor,Diode and Supervisory loop available on request
* Colors: White, Brown, Grey

Order Information:

Part Number	Loop Type	Reed Form	Closed Gap(in steel door) [Inch (mm)]	Depature Gap(in steel door) [Inch (mm)]	Maximum Initial Contact Resistance (Ohm)	Maximum Contact Rating (W)	Maximum Switching Voltage (VDC/VAC)	Maximum Switching Current (A)
BR-1021	Closed	N/O	3/4 (19)	0.95(24)	0.150	7.5	100	0.4
BR-1021MM	Closed	N/O	3/4 (19)      in wood	1(25)	0.150	7.5	100	0.4
BR-1021WG	Closed	N/O	1 (25)		0.150	7.5	100	0.4
BR-1021A	Open	N/C	5/8(15)		0.150	3	30	0.2
BR-1021C	Closed & Open	SPDT	5/8(15)		0.150	3	30	0.2
BR-1021D	DPDT	2SPDT	1/2 (12)		0.150	3	30	0.2

UL APPROVED:BR-1021

Note: Gap will increase twice for installations other than steel

*These magnetic contact switches shall be installed so that a door or other movable opening cannot be opened more than 2 inches (51mm) without initiating an alarm. 

*Switches exceeding 2 inches  not be installed per UL681-the Standard for installation and Classification of Burglar and Holdup Alarm

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