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Modular DIN-Rail Mount Terminal Blocks
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Mix and match these terminal blocks to get the exact number of circuits you need in a single setup. Add blocks for thermocouples, fuses, and grounding wire as needed. The blocks clip side by side onto DIN rail in control panels, creating tidy rows of circuits that you can identify and access on the spot.
The screw-clamp terminals flatten your wire so it stays put when vibrated or pulled. If you need to change wiring frequently without adjusting a screw, consider a quick-connect terminal block with spring-clamp or lever-clamp terminals.
Thermocouple Terminal Blocks with Screw-Clamp Terminals
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Run your thermocouple wire into these blocks so no signal is lost or destroyed. The metal in the terminals is compatible with multiple thermocouple wire types.
Covers—Snap onto the exposed side of a terminal block to prevent accidental contact with a live wire.
End Stops—Mount at the end of a group of terminal blocks so they don't slide when vibrated or bumped.
Terminal Blocks | Covers | End Stops | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Each | |||||||||||||||||
No. of Circuits | No. of Terminals per Circuit | For Wire Ga. | Wd., mm | Ht., mm | For Thermocouple Wire Type | Color | For DIN Rail Trade Size | Enclosure Rating | 1-24 | 25-Up | Each | Each | |||||
500V AC/500V DC | |||||||||||||||||
| 1 | 2 | 18 to 16 | 6 | 44.5 | J, K, T | Gray | 1, 3 | IP20 | 7641K381 | 000000 | 000000 | 7641K31 | 00000 | 7641K35 | 00000 | ||
 |  |  |
Blank | Numbered for Horizontal Rails | Numbered for Vertical Rails |
Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|
For No. of Circuits | For Terminal Block Wd., mm | Number Range | Markers per Card | Color | 1-24 | 25-Up | |||
Blank | |||||||||
| 1, 2 | 6 | — | 100 | White | 7641K19 | 00000 | 00000 | ||
Numbered for Horizontal Rails | |||||||||
| 1, 2 | 6 | 1 to 100 | 100 | White | 7641K75 | 0000 | 0000 | ||
| 1, 2 | 6 | 101 to 200 | 100 | White | 7641K76 | 0000 | 0000 | ||
Numbered for Vertical Rails | |||||||||
| 1, 2 | 6 | 1 to 100 | 100 | White | 7641K77 | 0000 | 0000 | ||
| 1, 2 | 6 | 101 to 200 | 100 | White | 7641K78 | 0000 | 0000 | ||
Terminal Blocks for RTD and Thermocouple Connection Heads
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Oblong | Round |
These terminal blocks fit inside connection heads for thermocouples and RTD. Make sure the block has enough circuits for your probe, and use a wire that matches your probe type. You can insert stripped wire directly or attach a terminal to prevent damage from the fastener.
Mounting Slots | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of Circuits | For Max. Wire Ga. | Wire Connection | Dia. | Ht. | Wd. | Dp. | For Thermocouple Wire Type | For RTD Probe Resistance, ohm | Max. Temp., ° F | Material | Ht. | Wd. | No. of | Each | |||
Oblong | |||||||||||||||||
| 2 | 14 | Screw Terminal | — | 1 3/8" | 2" | 1" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 9/16" | 2 | 38705K82 | 000000 | ||
| 3 | 14 | Screw Terminal | — | 1 3/8" | 2" | 1" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 9/16" | 2 | 38705K83 | 00000 | ||
| 4 | 14 | Screw Terminal | — | 1 3/8" | 2" | 1" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 9/16" | 2 | 5927N11 | 00000 | ||
| 6 | 14 | Screw Terminal | — | 1 3/8" | 2" | 1" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 9/16" | 2 | 5927N12 | 00000 | ||
Round | |||||||||||||||||
| 2 | 14 | Screw Terminal | 1 15/16" | — | — | 3/4" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 5/16" | 2 | 5927N13 | 00000 | ||
| 3 | 14 | Screw Terminal | 1 15/16" | — | — | 3/4" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 5/16" | 2 | 5927N14 | 00000 | ||
| 4 | 14 | Screw Terminal | 1 15/16" | — | — | 3/4" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 5/16" | 2 | 5927N15 | 00000 | ||
| 6 | 14 | Screw Terminal | 1 15/16" | — | — | 3/4" | J, JX, K, KK, KX, T, TX | 100; 1,000 | 1,000 | Ceramic | 3/16" | 5/16" | 2 | 5927N16 | 00000 | ||
Terminal Blocks for Thermocouples
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Unlike other terminal blocks, these blocks connect to thermocouple wire without distorting or destroying the signal. The metal in each terminal matches the metal of a specific thermocouple wire type. The ends of the blocks are labeled positive or negative so you know which end of the wire to attach.
Also known as a barrier strip, this type of terminal block has dividers to separate live wires and keep your setup tidy. Mount the blocks directly onto control panels, enclosures, and equipment. The screw-clamp terminals flatten your wire so it stays put when vibrated or pulled.
Mounting Holes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of Circuits | No. of Terminals per Circuit | For Wire Ga. | Wire Connection | Terminal Size | Terminal Ctr.-to-Ctr. | Lg. | Wd. | Ht. | Max. Temp., ° F | Color | Dia. | No. of | Each | |||
For K Thermocouple Wire Type | ||||||||||||||||
250V AC—20 amp per Circuit | ||||||||||||||||
| 2 | 4 | 16 to 14 | Screw-Clamp Terminal | No. 6 | 7/16" | 2 1/2" | 1 1/8" | 1/2" | 300 | Black | 0.17" | 4 | 7882N12 | 000000 | ||
| 4 | 4 | 16 to 14 | Screw-Clamp Terminal | No. 6 | 7/16" | 4 1/4" | 1 1/8" | 1/2" | 300 | Black | 0.17" | 4 | 7882N15 | 00000 | ||
| 6 | 4 | 16 to 14 | Screw-Clamp Terminal | No. 6 | 7/16" | 6" | 1 1/8" | 1/2" | 300 | Black | 0.17" | 4 | 7882N18 | 00000 | ||
| 8 | 4 | 16 to 14 | Screw-Clamp Terminal | No. 6 | 7/16" | 7 3/4" | 1 1/8" | 1/2" | 300 | Black | 0.17" | 4 | 7882N22 | 00000 | ||
| 10 | 4 | 16 to 14 | Screw-Clamp Terminal | No. 6 | 7/16" | 9 1/2" | 1 1/8" | 1/2" | 300 | Black | 0.17" | 4 | 7882N25 | 00000 | ||
