Seco-Larm SM-4004-TQ-W, SM-4004-LQ-W Specsheet

W

/″ (

Capsule-Type Surface-Mount Contacts

SM-4004-TQ/W

1″ Gap, Closed Loop, Quick-Connect, White

SM-4004-LQ/W

¾″ Gap, Closed Loop, 18″ Wire Leads, White

Features:

SM-4004-TQ/W

 Miniature capsule-type surface-mount magnetic contacts
 Gold-plated external screw terminals for longer life and

reliability with tape to cover terminals (SM-4004-TQ only)

 18″ Wire leads (SM-4004-LQ only)
 Adhesive mounting (double sided tape included)
 Contact reed switch is SPST, iridium-plated to have a high

melting point and Vickers hardness for higher power
handling and a longer expected life (SM-4004-TQ), or
ruthenium on gold under-plating for a longer expected life
(SM-4004-LQ)

 1″ (25mm) Gap (SM-4004-TQ)
 ¾″ (19mm) Gap (SM-4004-LQ)
 For closed loop circuits
 Lifetime limited warranty

SM-4004-LQ/W

Long-

Life

Contacts

Rare­Earth

Magnet

18″ Leads

or Quick-

Connect

Miniature

Capsule-

Type

Specifications:

Model number SM-4004-TQ/W SM-4004-LQ/W
Circuit type Closed loop
Operation Gap 1″ (25mm) ¾″ (19mm)

Terminals

Color White
Material High-impact ABS plastic

Contacts Iridium plating

Contact rating

Temperature -15°~160°F (-25°~70°C)
Switch cycles 50 Million (0.1mA@5VDC)
Switch dimensions 1″x3/8″x1/4″ (25x10x7mm)
Magnet dimensions 1″x3/8″x1/4″ (25x10x7mm)
Magnet type Rare-earth neodymium

SECO-LARM

16842 Millikan Avenue, Irvine, CA 92606

Phone: [phone] | [phone] Fax: [phone]

ebsite: www.seco-larm.com Email: [e-mail]

PiSM-4004-TQ_150504.docx

Gold-plated quick­connect

0.1A@100VDC (max)

1.0A@10VDC (max)
10W (max)

®

U.S.A., Inc.

18″ wire leads

Ruthenium on gold
under-plating

Dimensions:

SM-4004-TQ Switch

Tape

1

/4″ (7mm)

SM-4004-LQ Switch

1

7mm)

The SECO-LARM policy is one of continual development. For that reason, SECO-LARM reserves the
right to change prices and specifications without notice. SECO-LARM is not responsible for misprints.

1″ (25mm) 1″ (25mm)

Tape

1″ (25mm)

All trademarks are the property of SECO-LARM U.S.A., Inc. or their respective owners.

/

8

″ (10mm)

/

8

″ (10mm)

Copyright 2015 © SECO-LARM U.S.A., Inc. All rights reserved.

SM-4004-TQ Magnet

3

SM-4004-LQ Magnet

3

1″ (25mm)

Tape

Tape

1

/4″ (7mm)

1

/4″ (7mm)