Instruction Manual
127
HS1C-P Interlock Plug Unit with Door Lock
Instructions
Applicable Cable Glands
•Use IP67 cable gland.
G1/2
9 mm max.
30 mm
max.
When Using Flexible Conduits (Example)
 • Flexible conduit example: VF-03 (Nihon Flex)
 • Metal gland example: 
(G1/2) 
RLC-103 (Nihon Flex)
When Using Multi-core Cables (Example)
 • Plastic cable gland: 
(G1/2) SCS-10
* (Seiwa Electric)
 • Metal cable gland: 
(G1/2) ALS-16 (Nihon Flex)
 • Different cable glands are used depending on the cable 
sheath outside diameter. When purchasing a cable 
gland, confirm that the cable gland is applicable to the 
cable sheath outside diameter.
Recommended Tightening Torque of Mounting 
Screws
 • Interlock switch: 4.5 to 5.5 N·m (four M5 screws)
 • Actuator (HS9Z-A1/A2/A3): 4.5 to 5.5 N·m (two M6 
screws)
 • Mounting bolts must be provided by users.
 • The above recommended tightening torques of the 
mount ing screws are the values confirmed with hex 
socket head bolts. When other screws are used and 
tightened to a smaller torque, make sure that the 
screws do not come loose after mounting.
Cable Lead-in Length and Wiring Examples
Terminal 
No.
Conduit Port
➀ ➁
Cable 
Length 
L1 (mm)
1 30±2 45±2
2 30±2 50±2
3 25±2 55±2
4 25±2 60±2
5 30±2 65±2
6 30±2 70±2
7 65±2 35±2
8 65±2 110±2
E 85±2 45±2
Wire Stripping Length 
L2 (mm)
7±1
Note:  Wire the interlock switches according 
to the following examples. 
Gland
L2 L1
Interlock Switch
When using Conduit Port ➁ When using Conduit Port ➀ 
Note: When wiring the ground (E) terminal, connect in the 
solid line direction only. Do not connect in the 
dotted line direction.
HS1C-P






