3

www.protekdevices.com

05048.R3 11/03

420LE28

thru

420LB60

COPYRIGHT © ProTek Devices 2003

SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein

without notice (except JEDEC).

DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that the final judgement

concerning selection and specifications is the buyer’s and that in furnishing engineering and technical assistance,

ProTek assumes no responsibility with respect to the selection or specifications of such products.

PACKAGE OUTLINE & DIMENSIONS

ProTek Devices

2929 South Fair Lane, Tempe, AZ 85282

Tel: 602-431-8101 Fax: 602-431-2288

Mounting Hole for #8 Screw

2.25” MAX

(57.2mm)

1.19” MAX

(30.2mm)

#6 Screw

0.61” MAX

(15.5mm)

Adhesive Mylar Label

Terminal Screw

Terminal Strip

3.8” MAX

(96.5mm)

1.125”

(28.575mm)

420LE CASE OUTLINE

3.25”±0.015”

(82.6mm±0.38mm)

OUTPUT

5

4

3

2

3.8” MAX

(95.5mm)

3.0” MAX

(76.2mm)

1.9” MAX

(48.2mm)

0.30” MAX

(7.6mm)

0.07

(17.8mm)

GND

2

5

Orientation Notch

CONTINUITY

INPUT

12

13

14

15

INPUT Connected to Lines

From Out Side World

OUTPUT Connected to

Transmit/Receiver Circuits

NOTE: I/O contacts spaced at 0.156” (3.96 mm) centers

420LB BOARD OUTLINE

0.325” MAX

(8.25mm)

12

15