Limit Switch as Accessory

Model 310 Limit Switch

Model 310 limit switch box, NPT1/2 entries

The 310 is the twin-entry version of the non-explosion-proof box: two NPT1/2 conduit entries instead of the single ZG1/2, which suits installations where power and signal wiring are separated.

2×NPT1/2 conduit connections
8 terminals
On-yellow / off-red indicator
-25 to +85 °C
Mechanical or inductive micro switches

Request a quotation WhatsApp

Typical duty: Valves where switch wiring and supply wiring must enter the box separately.

Specification

Limit switch range (specification table published on the source site)
Models	210, 310, 410A, 410B, 510
Explosion protection	210 and 310: none; 410A: Exd II BT6; 410B: Exd II BT6 / Exd II CT6, IP67; 510: Exd II CT6
Temperature	-25 to +85 °C
Connection	210: ZG1/2; 310: 2×NPT1/2; 410A: 2×NPT3/4; 410B: 2×G1/2; 510: 2×NPT3/4
Terminal	8
Position indicator	On — yellow, Off — red
Micro switch	Mechanical or inductive
PTM	Available on 410B and 510
Solenoid valve	Available on 410B and 510