TRM3221

TRM3221 Thermostatic Switch

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Datasheet. TRM3221 specification

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

3.312in. ⁓3-5/16"

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

3.406in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

2.781in.

Capillary Tube Length
A measurement of the longest dimension of a capillary tube.

72.000in.

Bulb Length
A measurement of the longest dimension of a bulb.

4.000in.

Bulb Diameter
The length of a straight line which passes through the center of the bulb,and terminates at the circumference.

0.875in.

Temp Sensing Element Type
Indicates the type of sensor or transducer used in the item to convert temperature changes to switch actuating force.

capillary TUBE-Bulb

Mounting Method
The means of attaching the item.

bracket

Contact Action Stimulus
An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.

increase

Nonpile-up Contact Arrangement
The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.

2 pole, single throw, normally closed, momentary action

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

screw

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

1.0 amperes resistive load second voltage

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

4.6 amperes resistive load first voltage

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

520.0 milliamperes resistive load third voltage

Contact Adjustability
The adjustability of the contact.

actuation point adjustable, preset

Contact Adjustment Range
The minimum and maximum limits to which the contact(s) may be adjusted.

+50.00/+250.00 actuation point degrees fahrenheit

Contact Adjustment Type
Indicates the type of device provided for manual adjustment of the contact(s).

external actuation point knob

Contact Stimulus Rating
The rating of the stimulus required to actuate and/or deactuate the contact(s).

2.00 differential point degrees fahrenheit

Contact Voltage Rating In Volts
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.

120.0 dc at sea level second voltage

Contact Voltage Rating In Volts
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.

240.0 ac at sea level first voltage

Contact Voltage Rating In Volts
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.

240.0 dc at sea level third voltage

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

two mtg holes one 0.200 in. dia one 0.375 in. lg by 0.200 in. w 0.750 c to c

Answers.

What quantity is this sold in?

1EA

What is the overall width?

2.781 inches

What is the NSN for TRM3221?

5930-00-349-7017

How is this classified for shipping?

Schedule B number: 9032100000
nmfc 061300
Thermostats

What's the federal classification of TRM3221?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-349-7017 SWITCH,THERMOSTATIC

two mtg holes one 0.200 in. dia one 0.375 in. lg by 0.200 in. w 0.750 c to c 2.781" overall width 3.312" overall length

NIIN
003497017
NIIN Date
01/01/61
Schedule B
9032100000 
Name Code
00451
FIIG
A048B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$137.28 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Navy 
  • - Spain 
  • - Italy 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
061300 CIRCUIT BREAKER/SWITCH NOI 
UFC (universal freight code)
34410 

Similar by Design Other switchs with similar characteristics

Nothing similar to this part number was found in our inventory

TRM3221 / Switch,thermostaticWhat is the formal definition of this item?

A switch that is actuated by changes in ambient temperature. excludes circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. see also control, temperature (as modified) and regulator, temperature (as modified).