Products

Standard Panel Socket Lugged - Three Pin - R31

Standard Thermocouple Connectors rated to 220ºC

ANSI Colours IEC Colours
Part No. Type Colour Part No. Type Colour
R31K-A K R31K-I K
R31T-A T R31T-I T
R31J-A J R31J-I J
R31N-A N R31N-I N
R31RS-A R/S R31RS-I R/S
R31E-A E R31E-I E
R31B-A B R31B-I B
R31CU Cu R31CU Cu
  • Thermoplastic body rated to 220ºC
  • Available for thermocouple types: K, T, J, N, R/S, E, B and Cu
  • Body colour coded and thermocouple type indicated on body
  • Easy wiring via lipped washer
  • Accepts stranded or solid wires up to 0.2mm to 1.29mm diameter (0.03mm² to 1.3mm²). With washer removed: up to 1.63mm diameter (2.1mm²).
  • Manufactured in accordance with standard EN 50212
  • High purity thermocouple alloys used for male pin and female socket constructions
  • Polarised round pins with mechanism to prevent accidental output
  • Single captive screw for quick assembly

Related Connectors

Standard Plug -
Three Pin
Part Code: R16
Standard Socket -
Three Pin
Part Code: R25

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1 Thermocouple Type Temperature Range (continuous) Temperature Range
(short term)
KNickel Chromium vs
Nickel Aluminium
0°C to +1100°C -180°C to +1350°C
T Copper vs Constantan -185°C to +300°C -250°C to +400°C
J Iron vs Constantan +20°C to +700°C -180°C to +750°C
N Nicrosil vs Nisil 0°C to +1100°C -270°C to +1300°C
E Nickel Chromium vs Constantan 0°C to +800°C -40°C to +900°C
R Platinum - 13% Rhodium vs
Platinum
0°C to +1600°C -50°C to +1700°C
S Platinum - 10% Rhodium vs
Platinum
0°C to +1550°C -50°C to +1750°C
B Platinum - 30% Rhodium vs
Platinum 6% Rhodium
+100°C to +1600°C +100°C to +1820°C
Temperature ranges refer to the operating range of the thermocouple type.
The temperature range of the connector will be as stated.
Please refer to the product description for more details.