Wenzhou EAA Electric Co., Ltd — China electro-pneumatic valve positioner OEM manufacturerWenzhou, ChinaTel 0086-577-65165096[email protected]
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Model 510 Limit Switch

Limit Switch as Accessory

Model 510 Limit Switch

Model 510 switch box, Exd II CT6 with NPT3/4 entries

The 510 pairs Exd II CT6 protection with 2×NPT3/4 entries, and like the 410B accepts the PTM transmitter and a solenoid valve inside the box.

  • Explosion protection grade Exd II CT6
  • 2×NPT3/4 conduit connections
  • +PTM option
  • +Solenoid valve option
  • 8 terminals, -25 to +85 °C
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Typical duty: Hazardous-area installations standardised on NPT3/4 conduit with CT6 gas-group requirements.

Specification

Limit switch range (specification table published on the source site)
Models210, 310, 410A, 410B, 510
Explosion protection210 and 310: none; 410A: Exd II BT6; 410B: Exd II BT6 / Exd II CT6, IP67; 510: Exd II CT6
Temperature-25 to +85 °C
Connection210: ZG1/2; 310: 2×NPT1/2; 410A: 2×NPT3/4; 410B: 2×G1/2; 510: 2×NPT3/4
Terminal8
Position indicatorOn — yellow, Off — red
Micro switchMechanical or inductive
PTMAvailable on 410B and 510
Solenoid valveAvailable on 410B and 510

Technical background

This Limit switch is the accessory of the electro pneumatic valve positioner,model has 210,310,410A,410B,5 10 etc.

Questions buyers ask

510 or 410B?

Both accept PTM and solenoid options; choose by protection grade and thread — CT6 with NPT3/4 on the 510, BT6/CT6 with IP67 and G1/2 on the 410B.

Is the temperature range the same across the switch range?

Yes, -25 to +85 °C for all five models.

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← Model 410B Limit SwitchNE Series Electro Pneumatic Valve Positioner →