Samlex America STS-30 - Manual (Page 5)

4 | SAMLEX AMERICA INC. SAMLEX AMERICA INC. | 5
SecTIOn 2 | General Information
SW1
T4
T2
r1
T6
LeD1 PCb1
T5
T3
T1
T8 T7
- r1: Transfer relay coil
- T1: Line "L", Common
- T2: Neutral "N", Common
- T3: Line "L1", No (Normally open contact of transfer relay)
- T4: Neutral "N1", No (Normally open contact of transfer relay)
- T5: Line "L2", NC (Normally closed contact of transfer relay)
- T6: Neutral "N2", NC (Normally closed contact of transfer relay)
- T7: (-) input for relay coil
- T8: (+) input for relay coil
- SW1: DIP Switch for enabling / disabling time delay for transfer
to generator
- off: enabled - delay of 20 - 25 sec. (factory preset
condition)
- oN: Disabled - no delay
- LeD1: Green LeD - on when transfer relay coil r1 is energized
- PCb1: Printed Circuit board for transfer relay control
Fig. 2 Internal layout of contacts of the transfer relay and the PCB for relay control
FeatureS
- Can be configured for transfer between Utility/Inverter or between Utility/Generator
- Multiple ¾” and 1” knockouts (7, fig. 1) have been provided on all the sides for ease
of routing the input and output cables
- Consists of heavy duty 110 VDC, Double Pole Double Throw (DPDT) relay for switching
both the Line and Neutral. (r1, fig 2)