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  13. Miniature Snap Action Switch - SPDT, Lever Actuator, 5A, SM Series
Honeywell Miniature Snap Action Switch - SPDT, Lever Actuator, 5A, SM Series 311SM3-T - main

Miniature Snap Action Switch - SPDT, Lever Actuator, 5A, SM Series

  • Mfr # 311SM3-T

  • Zoro # G4605702

product price: $13.99
/ea

Key Features

Actuator Type - Snap Action Switch
Lever
AC Contact Rating - Snap Action Switch
5 A @ 240 V
DC Contact Rating - Snap Action Switch
5 A @ 28 V
Contact Form- Switches
SPDT
Lever Actuator Length - Snap Action Switch
1.77 in
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Specifications

Product Information

MFR #
311SM3-T
Zoro #
G4605702
UPC #
-
Country of Origin
Mexico

Dimensions

Lever Actuator Length - Snap Action Switch
1.77 in
Height - Snap Action Switch
0.5 in
Width - Snap Action Switch
0.8 in
Depth - Snap Action Switch
0.25 in
Height
0.5"
Length
0.8"
Mounting Dimension
0.38" Centers
Mounting Dimension - Snap Action Switch
0.38 in Centers
Depth
0.25"
Actuator Length
1.77"
Overall Width
0.78 in
Overall Height
0.5 in
Body Width
0.78 in
Mounting Hole Diameter
7/8 in
Overall Depth
0.25 in
Lever Actuator Length
1.77 in
Body Depth
0.25 in
Body Height
0.5 in

Details

Item
Miniature Snap Action Switch
Actuator Type - Snap Action Switch
Lever
AC Contact Rating - Snap Action Switch
5 A @ 240 V
DC Contact Rating - Snap Action Switch
5 A @ 28 V
Contact Form- Switches
SPDT
Contact Form
1NO/1NC
Series
SM
Current Rating
5A
Watertight - Snap Action Switch
No
Voltage Rating
250VAC
Max. Pretravel
0.31 in
Terminal Type
Solder Turret
Release Force
0.07 ozf
Housing Material
General Purpose Phenolic
Operating Temp. Range
-67 Degrees to 257 Degrees F
Standards
CE, CE 61058-1, CSA, CSA LR41372, ENEC, FAA-PMA, MIL-PRF-8805, UL Listed, UL E12252
Over Travel
0.057 in
Electrical Connection - Snap Action Switch
Solder Turret
Differential Travel
0.11 in
Operating Force
0.53 oz
Type of Actuator
Straight Lever
DC Contact Rating
5 A @ 250 V
AC Contact Rating
5 A @ 250 V
Construction
Phenolic
Connection
Solder Terminal
Differential-Travel - max
0.011 in (0.28mm) DT
Over-Travel
0.06 in (1.52mm) OT
Pre-Travel - max
0.3 in (7.62mm) PT
Type
Subminiature Limit Switch
Operating Temperature
-65°F (-53°C) to 185°F (85°C)
Contact Rating
5A 125-250V AC 2.5A 28V DC
Operator Configuration
Straight
Force to Operate
0.5 oz (0.15N) OF
Head Action
Spring Return, Standard
Pretravel
0.31 in
Operating Force - Maximum
0.53 ozf
Actuator Style
Lever
Center Mounting Hole Distance
0.38 in
Overtravel
0.057 in
Operating Temperature - Minimum
-65 Degrees F
Electrical Connection
Solder Turret
Operating Temperature - Maximum
250 Degrees F
Differential Travel - Maximum
0.11 in
Body Material
Phenolic

Description

The Honeywell Miniature Snap Action Switch from the SM Series is a compact, lightweight switch rated for precise actuation within specified parameters. It features a lever actuator with high repeatability and bifurcated gold contacts to provide parallel redundancy within the switch. The unit supports both AC and DC switching up to 5A at 250V, making it suitable for various electrical control tasks where actuation within the specified electrical ratings is needed.

Key Features:

  • Contact Form: SPDT (1NO/1NC) configuration
  • Actuator Style: Straight lever, 1.77" length
  • Electrical Ratings: 5A @ 125–250V AC; 2.5A @ 28V DC
  • Body Material: Phenolic construction; overall dimensions of 0.8" (W) x 0.25" (D) x 0.5" (H)
  • Mounting Dimension: Center mounting holes spaced at 0.38"
  • Terminal Type: Solder turret connection
  • Operating Force: Maximum of 0.53 ozf; release force of 0.07 ozf
  • Travel Parameters: Pretravel max of 0.31", overtravel of approximately 0.06", differential travel max of about 0.11"
  • Temperature Range: -67°F to +257°F operating range
  • Standards Compliance: CE, CSA, ENEC, FAA-PMA, MIL‐PRF‐8805, UL Listed

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