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Klixon 3MP Series
3MP Self–Hold

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Product Uses /\ Top

Washing machines
Clothes dryers
Vacuum cleaners
Industrial applications in the 120 and 130VAC applications
Toroidal transformers

Site Updated February 16, 2018

* * * Sensata > Products > Klixon Brand > Motor Controls >

Klixon® 3MP series motor protector and thermal cut-out
250VAC 6(1)A

Features and Overview Performance Characteristics
Declarations to EN60730-2-2 Product Uses
Declarations to EN60730-2-9 Qualifications
Data Sheet (PDF) » Contacts and distributors »

Features and Overview /\ Top

Snap–action Klixon disc
ENEC, BEAB, UL, CSA approvals
120VAC and 230VAC
Compact design
Minimizes the total cost of the motor protection function
Maximum protection under locked rotor conditions
Provides extra flexibility during the motor manufacturing process
Reduces the total need of motor protector type: one code for several applications
Provides mounting flexibility and ease of handling
Ensures trouble–free soldering and welding
Low–cost solution for transformer protection
Long life and reliable cycling
Wide range of standard lead configuration available
Wide range of customization available, including: leads, Mylar™ insulation sleeve, coding, colors
* * *
Motor Control
CODE: 3MP series

As a world leader in appliance motor protection, Sensata Technologies has developed the 3MP for 120 and 230VAC applications to operate in wider temperatures and current ranges than offered by existing protection solutions. In providing consistent performance characteristics and excellent reliability, its features anticipate future technical protection requirements on the AC motor market.

The 3MP permits moving the motor protector location outside the winding, providing the motor manufacturer with extra flexibility during the manufacturing process.

Recent certification as a thermal cut-out device combined with its unique current sensitivity positions the 3MP as an advanced and effective solution to protect toroidal transformers.

Performance Characteristics /\ Top
Standard Operating Temperature Range
80°C to 170°C in increments of 5K
Tolerance on Open Temperature
Peak Temperature 5 minutes
Maximum Ambient Temperature
T - open + 20°C
Time check at T - ambient 25°C
4 to 10 seconds
Contact Rating Thermal Cut–out
250VAC 6 (1) Amp
Contact Rating
27.5 Amp @ cos 1.0 / 250VAC / 500 cycles
18.0 Amp @ cos 0.6 / 250VAC / 1,000 cycles
18.0 Amp @ cos 0.6 / 120VAC / 15,000 cycles
Contact Rating Motor Protector
Depends on the application and its test results

Qualifications /\ Top
File number CRC.0001
EN60730-2-2 thermal motor protector
File number LR11372
CAN/CSA-C22.2 No 0-M91
File number 2014531.07
EN60730-2-2 thermal motor protector
File number 2014531.07
EN60730-2-9 thermal cut–out
File number E15962

Declarations to EN60730-2-9 /\ Top
Purpose of the control
Thermal cut–out
Incorporated, non–electronic
Degree of protection
Terminals for external conductors
For internal conductors only
Method of (dis)connection of terminals
Soldering, spot welding
Temperature limits of the switchhead
PTI of insulation materials
PTI 175
Method of mounting
Off–winding, fixed position, no mounting limitation
Operating time
For continuous operation
Types of action
Type 2B
Reset characteristic
Extent of sensing element
Whole control
Control pollution degree
1 (per IEC 60730-1 Third Edition)

Declarations to EN60730-2-2 /\ Top
Purpose of the control
Thermal motor protector
PTI of insulation materials
PTI 175
Method of mounting
Off–winding, fixed position, no mounting limitation
Type of action
Type 3C
Reset characteristic
Control pollution degree
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