Protection Relays Intrinsically Safe Relays ISS-101 Single-channel intrinsically safe switch Description The ISS-101 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. Must use Model OT08PC socket for UL Rating Note: Manufacturers recommended screw terminal torque for the OT Series Octal Sockets is 12 in.-lbs. Features & Benefits FEATURES BENEFITS Compact design for DIN rail or surface mount via Allows flexibility in panel installation octal base LED status indicator Visual indication of relay engagement Isolated output relay Allows connection to PLC or control voltage Standard 8-pin socket Pop-in replacement for other manufacturers parts Wiring Diagram Accessories (included) CONTROL DRAWING ISS-101 OT08PC 8-pin Octal Socket 115 VAC INPUT Octal Socket for plug-in units. 8-pin surface & DIN rail mountable. Rated for 10A 600VAC. LOAD Specifications Input Characteristics NOTES: 1. Maximum distance between unit and switch Supply Voltage 90-120VAC contact is 10,000 feet. Functional Characteristics 2. All non-intrinsically safe wiring shall be Probe Sense Voltage 5VDC continuous separated from intrinsically safe wiring. Output Characteristics Description of special wiring methods can be found in the National Electrical Code Output Contact Rating ANSI/NFPA 70, Article 504 Intrinsically Safe Pilot Duty 180VA 120VAC, C300 Systems. Check your state and local General Purpose 8A 120VAC codes for additional requirements. Relay Contact Life (Electrical) 100,000 cycles min. rated load 3. All switch contacts shall be non-energy storing, containing no inductance or capacitance. Relay Contact Life (Mechanical) 10,000,000 cycles See Install Bulletin for full instructions and General Characteristics Hazardous Location information. Temperature Range -20 to 55C (-4 to 131F) 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 See Notes 1 & 2 circuits in the following locations Division 1 and 2 Class I, Groups A,B,C,D Class II, Groups E,F,G See Note 3 and Class III Entity Parameters V = 16.8V Po=Voc*Isc oc I = 1.2mA 4 sc L = 100mH a C = 0.39uF a 2016 Littelfuse Protection Relays & Controls Rev: 1-A-062716 wwwwww.littelfuse.com/iss101.littelfuse.com/Protection Relays Intrinsically Safe Relays ISS-101 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 Safety Mark UL UL913 Sixth Edition (File E233355) Dimensions H 44.45 mm (1.75) W 60.33 mm (2.375) D 104.78 mm (4.125) Weight 0.5 lb. (8 oz., 226.8 g) Mounting Method DIN rail or surface mount (plug into OT08PC socket) 2016 Littelfuse Protection Relays & Controls Rev: 1-A-062716 www.littelfuse.com/iss101