Page top

Building Automation


Industrial Automation


Power Automation & Safety

Bangladesh Distributor

Lead Contents

FAQ02230 of Limit Switches FAQ

FAQ No. FAQ02230

Primary Contents

Question

What types of conduit openings of the Limit Switches are available?

Answer



The conduit opening is a hole to pull out a cable. The hole is threaded to fit a connector for fixing the cable.

This connector ensures mechanical fixation and sealing characteristics of the cable.

G1⁄2: Japanese type complying with JIS standard

Pg13.5: European type

1⁄2 14NPT: North American type

M20: European type (IEC approved)

Indication method of conduit threads (complying with JIS B 0202, 0203)

Screw namePast symbolNew symbol
Flat pipe screwPF1/2G1/2
Taipered pipe screwPT3/8
PS3/8
R3/8
RC3/8

PF and PS are currently indicated in JIS. They are, however, prescribed in the Appendix, and will be discontinued when the JIS standard is reviewed.

Indication methods for other conduit threads

Nominal designations for Conduit Threads of switches for overseas use are indicated in a conventional manner without any change.

Just for reference, their indication methods are described below.

German Electrical Conduit Thread (DIN 40430)
Pg13.5

American Taper Conduit Thread (USAS B2.1)

Recommended Products

61F-G[]N

Improved Design for a More Lightweight Construction and Reduced Standby Power Consumption.

Z

Best-selling Basic Switch Boasting High Precision and Wide Variety

WL, WLM

Wide Range of Two-circuit Switches; Select One for the Operating Environment/Application

Other Limit Switches FAQ