Skip to main content
Unison Model 905 3-Phase
Dimensions and terminals, from Unison's catalogue photograph of UNI 905 3FR OLSPZDA 48 15 01 + A100 HEAT SINK + DIN RAIL.

Model 905 3-Phase · 3-PHASE Forward Reverse DC to AC Solid State Relay

UNI 905 3FR OLSPZDA 48 15 01 + A100 HEAT SINK + DIN RAIL

15 A solid state relay.

Specifications

100% Semiconductor motor 3 Phase Zero Cross SSR
Voltage and Current detection inside SSR
Forward & Reverse - 2 Direction Motor Control
Over load current protection and setting by POT
Single Phasing/Unbalance/Short Circuit protection
AUTO / Manual RESET via selection switch
Fault feedback - RED LED & Mech relay NO/NC
Upto 15 Amp load current (Motor rating upto 3 HP)
Output
24-480 VAC (47-63 Hz), 15Amp
PIV
1200Vpk, I²T : 7200A²S for 9.6mS

Load current by heat sink

Rated at 40 °C ambient, from Unison's derating tables.

E-75Upto 3 HP Motor
A-100Upto 7.5 HP Motor
Derating Table: Rated load current at 40 °C ambient
Heat Sink / MountingRated Load Current @ 40 °C
E-75Upto 3 HP Motor
A-100Upto 7.5 HP Motor