Limit Switch as Accessory

Model 410A Limit Switch

Model 410A explosion-proof limit switch box

The 410A is the first explosion-protected box in the range, rated Exd II BT6, with 2×NPT3/4 entries for armoured or conduit wiring in hazardous areas.

Explosion protection grade Exd II BT6
2×NPT3/4 conduit connections
8 terminals
-25 to +85 °C
On-yellow / off-red indicator

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Typical duty: Hazardous-area quarter-turn valves requiring discrete position signals.

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