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© 2016 Littelfuse Protection Relays & Controls www.littelfuse.com/ Rev: 1-A-062216 Time Delay Relays Dedicated - Delay-on-Break www.littelfuse.com/hrps-hris HRPS / HRIS SERIES

Description

The HRPS/HRIS Series combines an electromechanical relay output with microcontroller timing circuitry. It is a factory programmed module available in any 1 of 13 standard functions. It offers 12 to 240V operation in two universal ranges and factory fixed, onboard, or external adjustable time delays with a repeat accuracy of ±0.5%. The output contact rating allows for direct operation of heavy loads, such as compressors, pumps, blower motors, heaters, etc. This series is ideal for OEM applications where cost is a factor. The HRPS has non-isolated SPDT relay contacts, and the HRIS has isolated SPDT relay contacts. Both offer the most popular timer functions in the industry. Operation (Interval) Upon application of input voltage, the time delay begins. The output (relay or solid state) energizes during the time delay. At the end of time delay the output de-energizes and remains de-energized until input voltage is removed. Reset: Removing input voltage resets the time delay and output. Features & Benefits FEATURES BENEFITS Microcontroller based Repeat Accuracy + / - 0.5% , factory calibration +/- 2% Compact design Allows flexiblility for OEM applications 30A, SPDT , Normally Open output contacts Allows for direct operation of heavy loads Encapsulated Protects against shock, vibration, and humidity L1 N/L2 HRPS Relay contacts are non-isolated. L1 N/L2 HRIS Relay contacts are isolated. S1 = Initiate Switch UTL = Untimed Load (optional) NO = Normally Open NC = Normally Closed C = Common A knob, or terminals 4 & 5 are only included on adjustable units. RT is used when external adjustment is ordered. S1 = Initiate Switch UTL = Untimed Load (optional) NO = Normally Open NC = Normally Closed C = Common A knob, or terminals 4 & 5 are only included on adjustable units. RT is used when external adjustment is ordered. Wiring Diagram

Ordering Information

MODEL INPUT VOLTAGE ADJUST. TIME DELAY FUNCTION HRISW21FT 24 - 240VAC/24 - 110VDC Onboard 0.1 - 10s Alternating HRISW27I 24 - 240VAC/24 - 110VDC Onboard 0.1 - 10h Interval HRPSD12HI 12 - 48VDC Fixed 2h Interval HRISW25B 24 - 240VAC/24 - 110VDC Onboard 1 - 100m Delay on break If you don’t find the part you need, call us for a custom product 800-843-8848

© 2016 Littelfuse Protection Relays & Controls www.littelfuse.com/ Rev: 1-A-062216 Time Delay Relays Dedicated - Delay-on-Break www.littelfuse.com/hrps-hris Accessories P1004-95, P1004-95-X Versa-Pot Panel mountable, industrial potentiometer recommended for remote time delay adjustment. P1023-6 Mounting bracket The 90° orientation of mounting slots makes installation/removal of modules quick and easy. P0700-7 Versa-Knob Designed for 0.25 in (6.35 mm) shaft of Versa-Pot. Semi-gloss industrial black finish. P1015-64 (AWG 14/16), P1015-13 (AWG 10/12) Female Quick Connect These 0.25 in. (6.35 mm) female terminals are constructed with an insulator barrel to provide strain relief. P1015-18 Quick Connect to Screw Adapter Screw adapter terminal designed for use with all modules with 0.25 in. (6.35 mm) male quick connect terminals. C103PM (AL) DIN Rail 35 mm aluminum DIN rail available in a 36 in. (91 .4 cm) length. P1023-20 DIN Rail Adapter Allows module to be mounted on a 35 mm DIN type rail with two #10 screws. Function Diagrams INTERVAL (IMPULSE-ON) V = Voltage NO = Normally Open Contact NC = Normally Closed Contact TD = Time Delay R = Reset = Undefined Time ALTERNATING RELAY (TRAILING EDGE FLIP-FLOP) Specifications Time Delay Type Microcontroller circuitry Range 0.1s - 1000h in 9 adjustable ranges or fixed Repeat Accuracy ±0.5% or 20ms, whichever is greater Tolerance (Factory Calibration) ±2% Reset Time ≤ 150ms Initiate Time ≤ 20ms Time Delay vs Temp. & Voltage ±2% Input Voltage 12 to 48VDC; 24 to 240VAC/24 to 110VDC Tolerance 12 to 48VDC -15% - 20% 24 to 110VDC/240VAC -20% - 10% AC Line Frequency 50/60Hz Power Consumption AC ≤ 4VA; DC ≤ 2W Output Type Electromechanical relay Form SPDT Ratings SPDT-NO SPDT-NC General Purpose 125/240VAC 30A 15A Resistive 125/240VAC 30A 15A 28VDC 20A 10A Motor Load 125VAC 1 hp* 1/4 hp 240VAC 2 hp 1 hp** Life Mechanical - 1 x 10 6 Electrical - 1 x 10 5, *3 x 104, **6,000 Protection Surge IEEE C62.41-1991 Level A Circuitry Encapsulated Isolation Voltage ≥ 1500V RMS input to output; isolated units Insulation Resistance ≥ 100 MΩ Polarity DC units are reverse polarity protected Mechanical Mounting Surface mt. with one #10 (M5 x 0.8) screw Dimensions H 76.2 mm (3.0”); W 50.8 mm (2.0”); D 38.1 mm (1.5”) Termination 0.25 in. (6.35 mm) male quick connects Environmental Operating/Storage Temperature -40° to 60°C / -40° to 85°C Humidity 95% relative, non-condensing Weight ≅ 3.9 oz (111 g) HRPS / HRIS SERIES V = Voltage S1 = Initiate Switch NO = Normally Open Contact NC = Normally Closed Contact TD = Time Delay R = Reset = Undefined Time