Littelfuse ISS-100, ISS-100 Series, Single-Channel Intrinsically Safe Switch, 90-120VAC, SPST-NO (1 Form A)
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The ISS-100 switches are UL 913 listed as an associated apparatus for interfacing between hazardous and non-hazardous areas. These units must be installed in a non-hazardous area.
| Input Characteristics | |
| Supply Voltage | 90-120VAC |
| Functional Characteristics | |
| Probe Sense Voltage | 5vdc continuous |
| Output Characteristics | |
| Output Contact Rating | |
| Pilot Duty | 180VA @120VAC, C300 |
| General Purpose | 8A @120VAC |
| Relay Contact Life (Electrical) | 100,000 cycles min. @ rated load |
| Relay Contact Life (Mechanical) | 10,000,000 cycles |
| General Characteristics | |
| Temperature Range | -20° to 55°C (-4° to 131°F) |
| Maximum Input Power | 1.5 W |
| Wire range | 12 to 20 AWG |
| Terminal Torque | 3.5 to 4.5 in.-lbs. (max. 4.5 in.-lbs.) |
| Provides Intrinsically-Safe | |
| Circuits in the | |
| following locations: |
Division 1 and 2 Class I, Groups A,B,C,D; Class II, Groups E,F,G; and Class III |
| Standards Passed | |
| Electrostatic Discharge (ESD) | IEC 61000-4-2, Level 3, 6kV contact, 8kV air |
| Radio Frequency Immunity (RFI) | IEC 61000-4-3, Level 3, 10V/m |
| Fast Transients | IEC 61000-4-4, Level 3, 4kV input power |
| UL | UL913 Sixth Edition (File #E233355) |
| Dimensions |
H 88.9 mm (3.5”) W 52.93 mm (2.08”) D 59.69 mm (2.35”) |
| Weight | 0.5 lb. (8 oz., 226.8 g) |
| Mounting Method |
35mm DIN rail or Surface Mount (#6 or #8 screws) |