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SI-03 is a surface mount, ABS housed, with an active gap of minimum 15mm and maximum 25mm.
SI-03a is a surface mount, ABS housed, 3 screw-type terminal (Common, NO, NC) with an active gap of minimum 15mm and maximum 25mm.
SI-03b is a surface mount, ABS housed, miniature switch, adhesive backed, with an active gap of minimum 15mm and maximum 25mm. Recommended for windows.
SI-03d is a surface mount, metal housed, heavy duty, rolling shutter switch, with an active gap of 18mm minimum and a maximum of 80mm.
SI-03e is a recessed roller type, ABS housed, with an active gap of minimum 15mm and maximum 35mm.Ideal for mounting on top of wooden doors.
SI-03f surface mount, metal housed, heavy duty door switch for external use, with an active gap of 18mm minimum and a maximum of 35mm.
SI-03g is surface mount, extra wide gap switch, ABS housed, with an active gap of 15mm minimum and 35mm maximum.
SI-03h is a surface mount, ABS housed, miniature switch, adhesive backed, with an active gap of minimum 15mm and maximum 25mm. Recommended for windows/doors.
SI-03l is a recessed roller type, ABS housed, for aluminum doors, with an active gap of 40mm minimum and 60mm maximum.
SI-03o is a recessed roller type, metal and ABS housed, with an active gap of 15mm minimum and 30mm maximum.
Tappet Contact is a surface mount, ABS housed, type that allows door-to-frame correction.
| Circuit type: |
Single Pole Single Throw (SPST) closed loop circuits.
Switches are held closed when magnet is in close proximity;
alarm detection occurs when contacts open. |
| Reed switches: |
All models equipped with single reed switch; soldered connection point;
contact surfaces coated with Rhodium; sealed glass capsule with dry nitrogen atmosphere; 8 million operations life expectancy. |
| Magnets: |
| Alnico 5 |
| Electrical: |
| Max switched voltage: |
30 volts DC, 30 volts (rms) AC |
| Max switched current: |
300mA |
| Max power: |
3 watts |
| Max circuit resistance: |
100m Ohms |
| Active gap: |
15mm to 90mm |
| Special Notes: |
All gap distances are nominal ±10%
Wide gap contacts are polarity sensitive
Use alignment dots for proper installation of surface mount contacts.
End of magnet is positioned away from switch.
TUV, CE and UL listed where applicable. |
| Tappet Contact : |
| Size: |
48Lx16Wx25Hmm |
| Max.voltage: |
0-36VDC / VAC |
| Max.Current Suitable for: |
All kinds of the single Door & double Door |
| Weight: |
0.04kg |
PDF Documentation: 
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