• Snap-Stat, Snap Action
• Plugstat Bimetallic Strip
• M Series
• R Series
• L Series
• S Series
• Rod & Tube


 
THERMAL SWITCHES: Plugstat Bimetallic Strip

M1 and M2 Series


Product Details & Drawings

Bimetal Thermal Switches
0°F - 650°F calibration range

  • Hermetically sealed
  • All stainless construction
  • Meets MIL environments
  • 2 wire construction
  • Wide range of connectors available
See RTCA DO-160C data summary

M1 & M2 CPI Bimetal switches that meet or exceed environmental requirements of MIL STD 810 as follows:
Calibration Temp. Max 650°F High Temperature Meth. 501.2 Proc.I
Soak Temp. 700°F
Calibration Temp. Min 0°F Low Temperature Meth. 502.2 Proc.I
Soak Temp. -70°F
Calibration Tolerance
(above 440°F, ±7°F)		 ±5°F Humidity Meth. 507.2 Proc.I
Repeatability ±3°F Salt Fog Meth. 509.2 Proc.I
Differential (norm) 0¹-5°F Fungus Meth. 508.3 Proc.I
Proof Pressure 4000 psi Dust & Sand Meth. 510.2
Proc.I Dust
Proc.II Sand
Safe Momentary
Undershoot
Overshoot
-70°F
800°F		 Vibration Test data can be made available to meet customer requirements
Voltage 115AC/28DC Shock Meth. 514.3 Proc.I
Fractional shock
Current
Resistive
Inductive
2 amps
_Amp		 Altitude Temp Meth. 504.1 Proc.I
Life
Mechanical
Full Rated Load
3,000,000 cyc
10,000 cyc		 Moisture Resist.  MIL S 24236
P. 4.7.13 10 day  
Weight M1 1.1 oz
M2 1.5 oz
Response time per MIL
S 24236, P4.7.5.1		 25 to 45 sec.

  • Close tolerance set points are available at a premium charge.
  • Gold Alloy contacts available at a premium charge.
  • Values shown are optimum. Consult our Sales Engineering Dept. for
    specific application information.
  1. Contacts available for close on rising or close on falling temperature.
  2. Electrical Characteristics
    a. Two wire circuit isolated from ground
    b. Terminals and AN connector are compression glass hermetically sealed.
    c. M1 has solder lug connections or wire leads
    d. M2 has connector that mates with MS3106B10SL-4S. Can be modified to accept other connectors
  3. All safety lock wire holes are .062
  4. Alternate thread sizes available.


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Control Products, Inc • 280 Ridgedale Ave. • E. Hanover, NJ 07936 • (973) 887-9400 • E-mail: sales@cpi-nj.com
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