Sentek Cheap UL Door Window Open Close Switch Security Alarm System

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Ningbo Sentek Electronics Co., Ltd.

VIP   Audited Supplier 17 years
Profile Certified by SGS/BV
  • Zhejiang, China
  • Peilin Jiang (Mr.)  
    Sales Manager
BR-1021
Home Alarm
Wired Alarm
Active
CE, RoHS, UL
Security
Ce, UL, cUL,RoHS
White/Brown/Grey
18"#22AWG
Closed
N/O
1(23)(in Wood)[Inch(mm)]
1(25)[Inch(mm)]
3/4"
SENTEK
1000PCS/Cartons
UL Listed Mortise Cylindrical Normally Open Door
Ningbo China
8531901000
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 SystemItem:BR-1021
Magnet:Rare Earth MagnetColor:White, Brown, Grey
Wire RangeCable:#20~#24AWGLoop Type:Closed
Reed Form:N/OColsed Gap[Inch(mm)]3/4(19)
Depature Gap[Inch(mm)]0.95 (24)Maximum InitialContact Resistance(Ohm)0.150
MaximumContact Rating(W)7.5Maximum Switching Voltage(VDC/VAC)100
Maximum Switching Current(A)0.4CertificateCE, 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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