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21SM284 by honeywell
Image is representational - see manufacturer specifications

Honeywell Authorized Distributor

21SM284

MICRO SWITCH™ Subminiature Basic Switches: SM Series, Single Pole Double Throw (SPDT), 5 A at 115 Vac, Pin Plunger Actuator, S ...

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RoHS Compliant
Packaging
Certificate of Compliance
Description +
MICRO SWITCH™ Subminiature Basic Switches: SM Series, Single Pole Double Throw (SPDT), 5 A at 115 Vac, Pin Plunger Actuator, Solder Termination
Product Highlights:
  • MIL-PRF-8805 qualified listings available
  • Long operating life
  • 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
  • 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)
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
Search Keywords: 21SM284
SPECS +
  • Product Attribute
    Attribute Value Select Attribute
  • Supplier:
    Honeywell
  • Part No:
    21SM284
  • Alias/AKA:
    MS25085-1
  • Unit of Measure:
    Per Each
  • RoHS:
    Yes
  • HTS:
    85365009
  • COO:
    MX
  • ECCN:
    EAR99
  • Supplier Standard Pack: This information is provided for customers who prefer to buy in multiples of the Manufacturer’s Standard Package quantity. Minimum Order Quantities and Required Order Multiples are presented with our price and availability information.
    1
  • Mounting:
    Through Hole
  • Pole Throw Configuration:
    SPDT
  • Switch Configuration:
    N.O./N.C.
  • Actuator Material/Style:
    Steel/Plunger
  • Contact Rating @ Voltage:
    5@115VAC 28VDC A
  • Maximum Movement Differential:
    0.1 mm
  • Operating Force:
    1.39 N
  • Termination Style:
    Solder Lug
  • Dimension:
    19.84mm x 6.35mm x 13.89mm
  • Body Orientation:
    Straight
  • IP Rating:
    N/A
Symbol, Footprint, 3D Model
Tools/3D Models +
Frequently Asked Questions
Is 21SM284 RoHS compliant?
Yes, 21SM284 is RoHS compliant.
What is the lead time for 21SM284?
The standard lead time for 21SM284 is approximately 2 days. In-stock quantities ship from OnlineComponents.com.
Price Match Guarantee
We’ll meet or beat any authorized competitor’s published price for this part.
In Stock: 1,137
Can Ship immediately
2 Weeks can ship 9/4/26
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Price (USD)
Qty
Unit Price
1
$45.38
5
$43.44
10
$42.62
25
$41.69
50
$41.58
100
$40.44
250 +
$39.24
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