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Lead Contents

Connectors for Limit Switch

FAQ No. FAQ02140

Primary Contents

Question

What connectors should be used for Limit Switches?

Answer

SC-series Limit Switch Connectors are available. Select the Connector according to the size of the conduit port and the external diameter of the cable to be used.

Connector for Cabtire Cable

ConduitApplicable cableInner diameter (D)
of seal rubber
External diameter
of cable
ModelApplicable model
Min.Max.
JIS B 0202
G1/2
Cabtire cable
(generalpurpose)
7 dia. mm5.5 dia. mm7.5 dia. mmSC-1MWL, D4A-[]N, ZE, ZV,
ZV2, ZB, D4B-[]N
9 dia. mm7.5 dia. mm9.5 dia. mmSC-2M
12.5 dia. mm11 dia. mm13 dia. mmSC-3M
14 dia. mm12 dia. mm14 dia. mmSC-4M
11 dia. mm9 dia. mm11 dia. mmSC-5M
Cabtire cable
(anticorrosive)
7 dia. mm5.5 dia. mm7.5 dia. mmSC-21
9 dia. mm7.5 dia. mm9.5 dia. mmSC-22
12.5 dia. mm11 dia. mm13 dia. mmSC-23
14 dia. mm12 dia. mm14 dia. mmSC-24
11 dia. mm9 dia. mm11 dia. mmSC-25
1/2-14NPTCabtire cable7 dia. mm5.5 dia. mm7.5 dia. mmSC-1PTD4A-[]N
9 dia. mm7.5 dia. mm9.5 dia. mmSC-2PT
12.5 dia. mm11 dia. mm13 dia. mmSC-3PT
14 dia. mm12 dia. mm14 dia. mmSC-4PT
11 dia. mm9 dia. mm11 dia. mmSC-5PT

Note:

1.Use SC-21 to SC-25 together with the rubber ring and conduit washer for the SC-P2.

2.It is necessary to use sealing tape with SC Connectors. SC-1M to SC-5M, however, are provided with an O-ring (NBR) and therefore sealing tape is not necessary to ensure a proper seal.

Dimensions and Structure (Unit: mm)

Connectors for Cabtire Cable

SC-P2 accessories and sealing tape must be used together with models without an O-ring in order to prevent ingress of oil or water.

Metal Models without O-ring
G1/2
SC-21 to 25

Metal Models with O-ring
G1/2
SC-1M to 5M

Metal Models without O-ring
1/2-14NPT
(U.S.-standard screws)
SC-1PT to 5PT

Note:Dimensions not shown in the above diagrams have a variation of ±0.4 mm.

*Diameter of Part Marked with Asterisk

ModelInner diameter (D)
of sealed rubber
Internal diameter
(E) of washer
Applicable cable
SC-21, -1M, -1PT7 dia.10.4 dia.5.5 to 7.5 dia.
SC-22, -2M, -2PT9 dia.13.2 dia.7.5 to 9.5 dia.
SC-23, -3M, -3PT12.5 dia.14.6 dia.11 to 13 dia.
SC-24, -4M, 4PT14 dia.14.6 dia.12 to 14 dia.
SC-25, -5M, -5PT11 dia.13.2 dia.9 to 11 dia.
SC-69 dia.10 dia.7.5 to 9 dia.

Simple Connectors (Not Suitable for Locations Subject to Oil or Water)

ConduitApplicable cableInner diameter (D)
of seal rubber
External diameter
of cable
ModelApplicable model
Min.Max.
JIS B 0202
G1/2
Cabtire cable10.6 dia. mm8.5 dia. mm10.5 dia. mmSC-P2WL, D4A-[]N, ZE, ZV,
ZV2, D4B-[]N
Pg13.59.6 dia. mm7.5 dia. mm9.5 dia. mmSC-P3WL[]-G, D4B-[]N
JIS B 0202
G1/2
9 dia. mm7.5 dia. mm9 dia. mmSC-6WL, D4A-[]N, ZE, ZV,
ZV2, D4N*, D4N-[]R*,
D4B-[]N

Note:The casings for SC-P2, -P3 and -6 are made of resin. If more sealing capability is required, use one of SC-1M to SC-5M, which have metal casings.
Models marked with an asterisk (*) however, can only be used with resin connectors.

Resin Models
G1/2
SC-P2

Resin Models
Pg13.5
SC-P3

Resin Models
G1/2
SC-6

Note:Dimensions not shown in the above diagrams have a variation of ±0.4 mm.

*Diameter of Part Marked with Asterisk

SC-[]F[] FA Connectors

The SC-[]F[] is a snap-on connecting model that greatly reduces the time-consuming effort for wiring the Limit Switch. The SC-[]F[] is easily and quickly connected or disconnected and its degree of protection is IP67.

FA Connectors

ModelNumber of
conductors
Voltage
specification
Size of
conduit
Size of crimp
terminal
Applicable
model
SC-2F2125 VDCJIS B 0202
G1/2
M4WL
SC-2FAD2250 VAC
SC-4F4D4125 VDC
SC-4F4AD4250 VAC

Connecting Cables

Voltage
specification
Number of
conductors
Cable lengthModel
AC22 mXS2F-A421-DB0-A
5 mXS2F-A421-GB0-A
42 mXS2F-A421-D90-A
5 mXS2F-A421-G90-A
DC22 mXS2F-D421-DD0
5 mXS2F-D421-GD0
42 mXS2F-D421-D80-A
5 mXS2F-D421-G80-A