Samsung URK-3A Hylex PSC Kit - 3 Relay
- URK-3A is a relay kit for use with Hylex ACU (AHU Control Unit) model number MXD- U000XN to provide control of up to three (3) fan speeds when applying to air handling units with PSC motors.
- URK-3A is not compatible with furnaces.
- URK-3A Must be installed indoors near the MXD-U000XN ACU and the indoor unit.
- Ambient operation range: -40 Deg F (-40 Deg C) to 149 Deg F (65 Deg C)
- All internal wiring of URK-3A was completed before shipping. Removal of the cover during installation is not necessary.
POWER:
- Relay coil current (each): 0.167A
- Maximum switched voltage: 277 VAC
- Maximum switched current: 25A
- 12 FLA, 60 LRA at 120 VAC
- 8 FLA, 48 LRA at 250 VAC
- 7 FLA, 42 LRA at 277 VAC
- 18 A at 277 VAC, resistive
- 25 A at 277 VAC, resistive
- 3 A at 277 VAC, General Use
- 277 VA at 277 VAC (Pilot duty)

