Making the Connections: Accessing the Wiring Chamber
To ensure the highest level of reliability, connect both contacts to a monitoring device, such as a safety module.
ED1G-L21SMB-1N
1 3
5 7
8 6
4 2
T
1
2
3
7
8
1 3
4 2
T
1
2
3
5
6
1 3
4 2
T
1
2
3
5
6
ED1G-L21SM-1N
ED1G-L20MB-1N
Figure 2. Terminal assignments (dependent on model)
1. Remove the cover from the switch by loosening the three M4 Phillips-head screws on the back of the housing.
2. Detach the cable gland from the housing.
3. Route the cables through the supplied cable gland and into the wiring chamber.
4. Strip the wire as required and secure into the appropriate screw terminals (torque: 0.5 to 0.6 Nm).
Terminals 1 to 4
Terminals 5 to 8
Wire Length L1, L2
L1 = 40 mm
L2 = 27 mm
Wire Stripping Length L3
L3 = 6 mm
Terminal No.
Connector
Base
L1
L2
L3
L3
Figure 3. Wire lengths to terminal connections
5. Replace the cover and secure with the three screws (torque: 1.1 to 1.3 Nm).
6. Thread the cable gland onto the housing and manually tighten (torque: 3.7 to 4.3 Nm).
NOTE:
• Applicable cordset/cable outside diameter when used with supplied cable gland: 7 to 13 mm.
• Applicable wire size in terminal: 0.14 to 1.5 mm² (single wire).
• When using stranded wire, make sure that adjoining terminals are not short-circuited with protruding core
wires. Use copper wire with a 60°-75° C rating only (UL508).
• When wiring to terminals, make sure to insert wires
into the correct openings, as shown. If wired into the
wrong openings (as marked with an X at right), the
wires will not be properly clamped and electrical con-
nection is not ensured.
ED1G Enabling Switch
P/N 151822 Rev. B
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