SMARTFLOW® THINSWITCH® Limit Switch

Thinswitch Limit Switch verifies ejector plate return before closing the mold, preventing premature mold closure. Mount inside ejector housing and wire to machine controls to prevent ejector pin breakage and subsequent damage to valuable tooling. 3/16″ Thickness is designed for use in molds with US Standard rest buttons. Use for core slides or any place where space is limited. Liquid-Resistant sensors are available for use where sealed models are preferred.

Part No. T Categories: ,

Features and Benefits

  • Prevents costly mold damage
  • Small size – 2.15″ L x 1.5″ W x 0.18″ thick
  • Fits behind ejector plate
  • Requires only 2 screw holes
  • Economical installation
  • Ten million cycle mechanical life
  • Adjustable operating point
  • Electrical capacity at 250V AC 5 Amps Resistive, 4 Amps Inductive
  • SPDT switch action
  • 6ft. (1.8M) wire leads stripped and tinned
  • Optional high temperature model- up to 250°F (121°C).
  • U.S. Patent No. 5,446,252

Specifications

Electrical

250VAC………………………………………5 Amps Resistive, 4 Amps Inductive
28VDC (sea level)………………………..5 Amps Resistive, 4 Amps Inductive

See chart below for temperature effects on maximum current rating

Rated Current vs. Steel Temperature
T-222 HT-291
Amps °F °C Amps °F °C
5.0 85 29.4 5.0 100 37.7
4.0 120 49.0 4.5 155 68.3
3.0 155 68.3 4.0 210 98.8
2.0 175 79.4 3.5 250 121.1

Switching…………………………………………………….SPDT

Materials

Body………………………….Fiberglass-Reinforced Nylon
Spring……………………………………………Stainless Steel
Back Cover……………………………………..Polyester Film
Wire Leads……………………………………..22ga stranded, 3-conductor, shielded cable 6ft. (1.8m) long ends stripped and tinned

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