Burger & Brown Smartflow Thinswitch Installation And Operating Instructions

Liquid-Resistant THINSWIT H
U.S. Patent Nos.
5,446,252
6,982,392
Installation and Operating Instructions
Applies to T-222-LR & HT-291-LR

General

The Thinswitch® Limit Switch verifies ejector plate return when tied
into the machine control. Placed next to the rest buttons in a mold,
the switch protects the mold from premature closure after part
ejection.
The Thinswitch® can also be used with a bolt or pin actuator with a
minimum diameter of 3/8" (9.5mm). Care should be taken to avoid
crushing the housing with the actuator.
The Liquid-Resistant Thinswitch is designed to operate in conditions
where occasional water or oil spray is present. Do not immerse the
switch or subject it to direct, continuous liquid spray.
The Thinswitch® Limit Switch is designed for use in very low power
mold protection control circuits. It is not intended to switch heavy
loads in power applications.
6.4 25.4
1.00
0.25
Cable
mm
Linear =
inches
4500 E 142nd Street • Grandview, MO 64030 • Tel. (816) 878-6675 • Fax (816) 878-6683 • www.smartflow-usa.com
Form #156 (12.14)
38.1
1.50
9.5
0.375
31.8
1.25
59.9
2.36
Drill and Tap #10-24 x 3/8" deep
to accept #10 button head screws
included with Thinswitch® limit switch

Installation

Install the Thinswitch® as follows:
1. Check height of rest buttons. If button height is
less than .1875" (4.76mm), machine a pocket to
accept the switch to match rest button height.
The actuation spring should extend above the
rest button.
2. The switch may be positioned in any direction.
3. Verify that any rest buttons on the ejector plate
will not interfere with the switch, wire clips, or
wire routing.
4. Drill and tap two mounting holes 10-24 x 3/8"
(9.5mm) deep per drawing.
5. Verify switch contact operation before placing
mold in service.
6. Wire switch in accordance with prevailing
electrical standards. Wire switch directly to the
injection molding machine controls or to an
approved locking male plug. An electrical
receptacle can be mounted to the molding
machine for convenience.
Common
(white)
Schematic Diagram
4.8
0.18
Normally
Closed
(red)
Normally
Open
(black)
shown actual size