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Detectors and Accessories | Magnetic Contacts Recessed Mount | 255
ISN‑CAS Adjustable Screw
Head Contacts
Features
▶
Closed loop
▶
Tamper switch
▶
Adjustable gap width
The contacts are available in brown or white. Both models
are tamper switches and have an adjustable screw for easily
adjusting gap width.
Certifications and Approvals
UL and X
Region Certification
Europe CE 73/23/EEC and 93/68/EEC, EN50131:
1997, EN50131-6: 1997, EN60950:
2000, EN60335-1: 1994 +A1: 1996
Annex B
Installation/Configuration Notes
Compatibility Information
All contact models are compatible with control panel
models that accept contact inputs.
Parts Included
Quantity Per Package Component
10 Contacts
Technical Specifications
Specifications for All Models
Gap Width: 1.6 mm to 2.6 mm
(0.06 in. x 0.10 in.)
Push in the reed plunger up to 1.6 mm
(0.06 in.) without activating contacts.
Push in the reed plunger to 2.6 mm and
the contacts must activate.
Contact Dimensions without
Screws:
9.5 mm x 31 mm
(0.375 in. x 1.25 in.)
Screw Length 6 mm (0.2 in) or 10 mm (0.4 in.)
Wire Lead Type: 0.8 mm (0.029 in.) 22 AWG, 7 strand-
ed
Wire Lead Length: 46 cm (18 in.)
Switch Configuration Type: Single pole single throw (SPST)
Maximum Contact Resistance: 150 μΩ (micro-ohm)
Minimum Breakdown Voltage: 250 VDC
Insulation Resistance:
10
10
Ω
Electrostatic Cap: 0.3 PF
Contact Capacity: 10 VAC
Maximum Conductive Current: 1.0 A
Maximum Voltage: 100 V
Operating Temperature Range: 7.2°C to -95.56°C (-45°F to -140°F)
Package Information
ATTENTION! Each package contains ten contacts.
Ordering Information
Brown Adjustable Screw Head Contact
Brown recessed contact. Package contains
ten contacts.
ISN-CAS-B
White Adjustable Screw Head Contact
White recessed contact. Package contains
ten contacts.
ISN-CAS-W
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