12
L1 L2 L3
35 36 32
33 34
20 21
CLC1
CLC2
OPC1
OPC2
22 23
24 25
26 27
28 29
30 31
1
2
3
4
34
35
36
32
35
36
32
35
36
32
33
35
OP
CL
OP
CL
OP
CL
remove the plugs from the cable entries.
for electrical connections use components
(cable glands, cables, hoses, conduits) which
meet the requirements and the applicable
codes of the plant specifications (mechanical
protection and/or explosionproof protection).
screw the cable glands (or the conduits) tightly
into the threaded entries, in order to guarantee
the weatherproof and explosionproof protection
(when applicable).
insert the connection cables into the electrical
enclosures through the cable glands (or
conduits) and, according to the wiring diagram
in the main terminal board enclosure, connect
the electrical supply, the control and the signal
4.11 base Wiring diagraM (figure 10)
Warning
It is under user responsibility to limit the rated
impulse voltage level at 1500 V.
notes
1. Power connection l1-l2 for V Dc or V ac single phase motor supply from 24 V to 48 V or from 100 V to 240 V.
Power connection l1-l2-l3 for 3-phase motor supply from 208 V to 575 V (check the actuator label for the
correct voltage to be applied).
2. remote command options.
note 1
note 6
remote commands
(note 2, 5)
Monitor
relay
Groun
D
Blinker
local
selector
relay
output contacts
(note 3, 4)
optional module
oM3
3. contacts shown in intermediate position clc1-clc2 end of travel signaling in closing.
contacts shown in intermediate position oPc1-oPc2 end of travel signaling in opening.
4. Output contact rating 240 V AC / 5 A ; 30 V DC / 5A ; 120 V DC / 0.5 A.
5. control command rating 24 to 120 V ac or Dc.
6. Blinker or local selector monitoring function (when oM3 is present) to be configured.
internal supply 24 V Dc
External supply 24 / 120 V AC
External supply 24 / 120 V DC
cables to the actuator, by linking them to the
terminal blocks termination as per diagram.
replace the plastic plugs of the unused cable
entries by metal ones, to guarantee perfect
weatherproof tightness and to comply with
the explosionproof protection codes (where
applicable).
once the connections are completed, check
that the controls and signals work properly.
two ground studs, one internal and one
external, are provided to meet all local electric
and safety regulations.
terminate the ground connections at least to
the external stud marked GrounD.
connect the motor supply cable previously
sized in accordance with:
• The absorbed current correspondent to the
actuator nominal torque with the torque
limiting device set at 100 percent
• Cable size; 1 power: 4 mm
2
/AWG12 (max)
2 controls: 1,5 mm
2
/AWG 16 (max)
• The applicable plant and safety norms
Keystone
ePi-2 quarter-turn electric actuator
InstallatIon and MaIntenance InstructIons
