Terminal Blocks, IEC

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Screw Connection Terminal Blocks

Introduction Mini-Blocks Standard Feed-Through Blocks High Current Blocks Space-Saver Feed-Through Blocks Multi-Circuit Feed-Through Blocks Specialty Feed-Through Blocks
Stab-Connect Feed-Through Blocks Sensor Blocks Grounding Blocks Space-Saver Grounding Blocks Isolation Blocks Plug-in Style Terminal Blocks Double Level Plug-in Style Blocks with Ground
Internal Component Blocks Thermocouple Blocks 2-Level Neutral Disconnect and Installation Blocks Single-Circuit Neutral Disconnect Blocks Fuse Blocks Plug-in Connection Blocks Short-Circuit Current Ratings
Thermocouple Blocks

  1492-JTC3…
Dimensions are not intended to be used for manufacturing purposes.
Note: Height dimension is measured from top of rail to top of terminal block. 		Click to enlarge - 102410000040_JT3CXXX-dm
Specifications Two circuit Terminal block with current bars made of thermocouple material
Certifications IEC ATEX
Voltage Rating — 55V AC/DC
Wire Range (Rated Cross Section) #30…12 AWG
2.5 mm2 		#20...14 AWG
2.5 mm2
Wire Strip Length 0.39 in. (10 mm)
Recommended Tightening Torque 3.5…5.3 lb•in. (0.4…0.6 N•m)
Density   29 pcs/ft (98 pcs/m)
Housing Temperature Range –458…+248 °F (–50…+120 °C)
Short-Circuit Current Rating See Fuse Ratings

Terminal Blocks
Cat. No.
Pkg Qty.
Color/Type/Material
    Gray/Type B/1 S-Copper, 1 E-Copper 		1492-JTC3B 50
    Gray/Type E/1 Chromel, 1 Constantan 1492-JTC3E 50
    Gray/Type J/1 Iron, 1 Constantan 1492-JTC3J 50
    Gray/Type K/1 Chromel, 1 Alumel 1492-JTC3K 50
    Gray/Type N/1 Ni-Cr-Si, 1 Ni-Si-Mg 1492-JTC3N 50
    Gray/Type S/1 E-Copper, 1 A-Copper 1492-JTC3S 50
    Gray/Type T/1 E-Copper, 1 Constantan 1492-JTC3T 50

Accessories
Cat. No.
Pkg Qty.
Mounting Rails:
    1 m Symmetrical DIN (Steel) 		199-DR1 10
    1 m Symmetrical DIN (Aluminum) 1492-DR5 10
    1 m Hi-Rise Sym. DIN (Aluminum) 1492-DR6 2
    1 m Angled Hi-Rise Sym. DIN (Steel) 1492-DR7 2
End Barrier 1492-EBJ3 50
End Anchors and Retainers:
    Screwless End Retainer 		1492-ERL35 20
    DIN Rail — Normal Duty 1492-EAJ35 100
    DIN Rail — Heavy Duty 1492-EAHJ35 50
Other Accessories:
    Partition Plate 		1492-EBJ16 20
    Group Marking Carrier 1492-GM35 25
Marking Systems:
    Snap-in marker cards 		1492-M5X12 (144/card) 5
    Individual Marker Tabs (Single Char.) 1492-M5X5 (200/card) 5