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Thermostatic Probes

Probes

WATER JACKET TYPE Cantherm probe thermostats use bi-metallic thermal switches encased in a housing made of brass or stainless steel suitable for installation in a vessel having a NPT threaded sleeve. The thermostatic switches will either make or break an electrical circuit at a pre-determined temperature and depending upon the type used will act as a thermal protector or a temperature regulator. Contact Cantherm’s technical sales staff to design a probe that fits your needs.

Thermostatic Probes

Applications

• Automotive
• Household Appliances
• HVAC
• Agricultural Equipment
• Heavy Equipment
• Hydraulics
• Recreational
• Process Control
• Refrigerators

Features:

• Available for temperature regulation or limiting duties
• Normally closed or normally open contacts
• Material: brass or stainless steel
• Contact rating up to 15A at 250VAC
• Temperature range: 5°C to 180°C
• Made with UL, CSA and VDE approved components
• Temperatures set at the factory.
• Custom housings available on special order
• Terminations: Flexible wires, screw terminals, 1/4” M Quick Connect

Temperature Regulation

Temperature Range: 5°C to 180°C
Tolerance: ±5°C
Differential: ~2°C below the set temperature

Product Sitch Style Contact Rating Cycle Life
CMRJ Normally Closed 6.0A @ 120VAC 100,000
CSMRJ Normally Closed 5.0A @ 12VAC 10,000
CMRJ (K) Normally Open 6.0A @ 120VAC 100,000
Part No. P
NPT
D
A/F
A U Ø
Q
Ø
C
Ø
T
Ø
L
R20 1/2″ 0.875 2.0 1.0 0.69 0.665 0.625 0.748
B12 3/8″ 0.875 1.5 0.70 0.44 0.618 0.389 0.551
J RM 1/4″ 0.56 1.85 1.0 0.38 None 0.328 0.551

Temperature Limiting & Protection

Temperature Range: 65°C to 170°C
Tolerance: ±5°C
Differential: 25°C ±15°C

Product Sitch Style Contact Rating
Res./Ind.
Cycle Life
B12A Normally Closed 6.3A/4.0 @ 250VAC 10,000
B12B Normally Open 5.0A/1.6 @ 120VAC 10,000

High Current Regulators and Limit Switches

Temperature Range: 0°C to 175°C
Tolerance: ±5°C
Differential: 20°C ±10°C

Product Sitch Style Contact Rating
Res./Ind.
Cycle Life
R20A Normally Closed 16.0A/6.3 @ 250VAC 10,000
Normally Closed 10.0A @ 250VAC
(50°C-160°C)
100,000
R20B Normally Open 16.0A/6.3 @ 250VAC 10,000
Normally Open 10.0A @ 250VAC
(50°C-160°C)
100,000

TERMINATIONS:

W2 TWO WIRES
W1 ONE WIRE, OTHER SIDE GROUNDED
QC2 TWO .250M QUICK CONNECT
QC1 ONE .250M QUICK CONNECT, OTHER SIDE GROUND
ST2 TWO SCREW TERMINALS
ST1 ONE SCREW TERMINAL, OTHER SIDE GROUNDED

HOW TO ORDER:

EXAMPLE:
MODEL TYPE TEMPERATURE HOUSING TERMINATIONS
CMRJ 0°C TO 200°C BPT46-04 W2

NOTE
Not all terminations are available on every
housing BPT38-06 and BPT50-08 are available with or without MYLAR sleeve.

CT-M-ENG-01T-1