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Banner Compact Metal Style Safety Interlock Switches User Manual

Actuator type, Interlock body, Contact configuration

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Machine Safety Switch: SI-LM40 Series Limit

Switch Style

SI-LM40 Series Limit Switch Style with Flexible In-Line Actuator

Printed in USA

Nov 2012

P/N 50159 Rev. F

Positive-opening safety contacts (IEC 60947-5-1) (not dependent upon springs)

• Standard limit switch design
• In-line actuator; flexes in all directions
• Metal housing
• Spring-loaded actuator base

Protective Earth Terminal (IEC 60947-1) on models with metal housings

Note:

This symbol for a positive opening safety contact (IEC 60947-5-1) is used in the

switching diagrams to identify the point in actuator travel where the normally closed safety

contact is fully open.

Kit Model

Actuator Type

Interlock Body

Contact

Configuration

(Actuator Engaged)

Contact

Configuration

(Actuator Removed)

Switching Diagrams*

SI-LM40MKVD

SI-QM-90A

Flexible, In-Line

SI-LM40KVD

with Metal

Housing

23

24

11

12

23

24

11

12

3 (0.12)

1 (0.04)*

0 (0)

7 (0.28)

38 (1.5)
mm (in)

Engaged

Disengaged

11-12

23-24

Safety

Monitor

SI-LM40MKVE

SI-LM40KVE

with Metal

Housing

21

22

11

12

21

22

11

12

3 (0.12)

0 (0)

7 (0.28)

38 (1.5)
mm (in)

Engaged

Disengaged

11-12

21-22

Safety

Safety

† A kit contains an interlock and actuator. Individual interlock bodies or actuators are for replacement purposes only. See Warning below.
* Please note that only 1 mm (0.04 inches) of movement will open the closed contact.

Contacts: Open Closed Transition

WARNING... Spare actuators must NEVER be used to bypass or otherwise defeat the protective function of a safety switch. To do so

may create an unsafe situation which could lead to serious injury or death.