Interface & Starter Cards
Unison is an Indian manufacturer of solid state relays and thyristor power controllers for industrial heating and process control, with no moving parts. SSC Control is an authorised Unison partner, supplying the full range with genuine products, warranty and technical support across Gujarat and India.
Forward Reverse Card
Three phase forward reverse solid state motor starter that switches motor direction with electrical interlock and built in overload and short circuit protection.
- Function: 3 phase forward reverse semiconductor starter, two interlocked SSR pairs
- Load: up to 5 A, up to 3 HP
- Input: DC control, zero cross switching
- Output: 24 to 480 V AC, 47 to 63 Hz
- Protection: direction interlock, overload, single phasing, short circuit, fault LED with relay contacts
- Mount: panel mounting
DOL Starter Card
Single direction direct on line solid state motor starter giving one direction motor control with adjustable overload protection.
- Function: direct on line semiconductor starter, one direction
- Load: up to 5 A, up to 3 HP
- Input: DC control, zero cross 3 phase SSR
- Output: 24 to 480 V AC, 47 to 63 Hz
- Protection: overload set by potentiometer, single phasing, short circuit, auto or manual reset, fault LED with NO and NC contacts
- Mount: panel mounting
DC to AC Interface Card
Plug in DC to AC SSR interface relay card that replaces mechanical relays with zero cross solid state switching across 2 to 8 channels.
- Function: DC to AC interface relay card, 2, 4, 6 or 8 channel, zero cross
- Load: 5 A per channel
- Input: 4 to 32 V DC, polarity free, green input LED
- Output: 24 to 480 V AC, 47 to 63 Hz
- Protection: 3 A replaceable fuse per channel with red fail LED
- Mount: plug in terminal card
DC to DC Interface Card
Plug in DC to DC MOSFET interface relay card for fast solid state DC switching across 2 to 8 channels.
- Function: DC to DC interface relay card, MOSFET output, 2, 4, 6 or 8 channel, back EMF diode
- Load: 5 A per channel
- Input: 4 to 32 V DC, green input LED
- Output: 5 to 100 V DC, turn on 2.5 ms, turn off 40 us
- Protection: 3 A replaceable fuse per channel with red fail LED
- Mount: plug in terminal card
Need an interface or starter card?
Our team can match the forward reverse, DOL or relay replacement card to your control scheme.