The ISS-105 is a “smart” five-channel intrinsically safe relay and pump controller. The ISS-105 can be configured for pump-up or pump-down applications or as a five-channel relay covering a wide variety of applications. The ISS-105 has a long list of features that are needed for multiple pump applications and can indicate low, high and out-of-sequence alarms. If an out-of-sequence alarm occurs, the skipped pump(s) will be started as intended. The Model ISS-105 can be set-up to do non-alternating control, alternating control and alternating control with one non-alternating pump. The non-alternating pump is intended for use with an emergency or jockey pump. The ISS-105 can start an emergency pump once every 50 cycles to keep it working freely. Using the built-in DIP switches, individual pumps can be disabled when taken out of service for repair or maintenance. Features & Benefits . 5 intrinsically-safe input channels meeting UL913 Sixth Edition. 4 normally open output relays and 1 SPDT output relay. Field selectable pump control options. Monitors float sequencing and sends signal to alarm if out-of-sequence condition occurs. High and/or low alarm options depending on the number of pumps and settings. Output contacts for audible alarm. Meets IEC EMC standards for Electrical Fast Transients (EFT), Electrostatic Discharge (ESD) and Radio Frequency Immunity (RFI). DIN rail or surface mountable allows flexibility in panel installation. User-selectable alternator/non-alternator option. Non-alternating pump option for emergency or jockey applications. Pump disable switches make it easy to disable individual pumps when they are out for service or repair. Adjustable lag pump delay for all pumping modes. Adjustable delay-on-make/break timer in five-channel relay mode. Finger-safe terminals meet IEC 61000 safety requirements Input Characteristics Supply Voltage 120VAC Frequency 50*/60Hz Functional Characteristics Probe Sense Voltage 5vdc continuous Output Characteristics Output Contact Rating Pilot Duty 480VA @ 240VAC, B300 General Purpose 7A @ 240VAC Relay Contact Life (Electrical) 100,000 cycles min. @ rated load Relay Contact Life (Mechanical) 10,000,000 cycles General Characteristics Temperature Range -40° to 55°C (-40° to 131°F) Maximum Input Power 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 2Class 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 power2kV inputs/outputs Safety Marks UL UL913 Sixth Edition (File #E233355) Dimensions H 94.06 mm (3.703”)W 127.64 mm (5.025”)D 59.69 mm (2.350”) Weight 1.2 lbs. (19.2 oz., 544.31 g) Mounting Method 35mm DIN rail or Surface Mount(#6 or #8 screws)
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