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honeywell
Authorized Distributor

21SM1-T

Honeywell

The 21SM1-T is a basic single-pole, double-throw (SPDT) snap-action switch with a plastic plunger.

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RoHS Compliant

Packaging

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Description +

The 21SM1-T is a basic single-pole, double-throw (SPDT) snap-action switch with a plastic plunger.

Product Highlights:

Long operating life
Elongated mounting hole for easier, more accurate mounting
Choice of actuation (plunger, as well as a variety of integral and auxiliary actuators)
Choice of electrical termination (solder, quick connect, PCB)
Choice of operating characteristics (sensitive differential travel as low as 0,0254 mm [0.001 in] maximum, low operating force to 0,56 N [2.0 oz] maximum)
Optional series constructions available (gold contacts for low energy switching, bifurcated gold contacts for maximum reliability, power load switching capability to 11 A)
MIL-PFR-8805 qualified listings available

Potential Applications:

Aerospace
Instrumentation
Appliances
Vending machines
Timing devices
Office equipment
Computer/business equipment
Test instruments
Medical/dental equipment
Communications equipment
HVAC equipment
Manually operated devices
Valves

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SPECS +

Product Attribute

Attribute Value Select Attribute
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Supplier:

Honeywell
Part No:

21SM1-T
Unit of Measure:

Per Each
RoHS:

Yes
HTS:

85365009
COO:

MX
ECCN:

EAR99
Supplier Standard Pack:

50
Mounting:

Through Hole
Pole Throw Configuration:

SPDT
Switch Configuration:

N.O./N.C.
Actuator Material/Style:

Plastic/Plunger
Contact Rating @ Voltage:

5 A
Maximum Movement Differential:

0.1 mm
Operating Force:

1.39 N
Termination Style:

Solder
Dimension:

19.84 x 6.35 x 13.89 mm
Body Orientation:

Straight
IP Rating:

N/A

Tools/3D Models +

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Product Guides +

Datasheet

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Product Changes +

Product Change Notification

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This product is discontinued, but still in stock.
This product is NOT RoHS Compliant. See alternative
Different product options available. See alternative
Different packaging options available. See alternative
Possible Replacement options available. See alternative
Item discontinued
End of Life: Final orders must be placed by
Item discontinued

This product is no longer being manufactured but there may be alternatives. We can help you, Contact Us.

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In Stock: 159

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On Order:

Manufacturer Stock:

0 can ship

Stock lot only:

MOQ for out of Stock Qty:

Order Increment:

Factory Lead-Time:

17 Weeks can ship 8/27/26

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Your order may include a combination of full reels and cut tape depending on available stock.

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Price (USD)

Qty

Unit Price

$51.06

$50.93

$50.80

$50.67

$31.18

$24.69

100 +

$24.19

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Standard Packaging

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