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Phoenix Contact 3100091 Thermoelectric Voltage Terminal Block Pair

The Phoenix Contact MTKD-E-CU/A-CU thermoelectric voltage terminal block pair provides a reliable solution for extending thermocouple equalizing conductors within measuring circuits. Constructed with materials that maintain consistent thermal characteristics up to 200°C, these terminal blocks ensure accurate temperature measurements. They are designed for USA type R connections, utilizing a screw connection method and accommodating conductor cross-sections from 0.2 mm² to 4 mm² (AWG 24-12). The terminal block's robust construction and compatibility with NS 35/7.5, NS 35/15, and NS 32 mounting rails make it ideal for industrial automation, process control, and temperature monitoring systems. Its gray color and V0 flammability rating enhance safety and visibility in various environments.

Authorized Distributors
Source:DigiKey
Part No:31-00091
Stock:0
Inv Date:05-28-2026
Price: Unit price: $62.7858
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Source:DigiKey
Part No:3100091
Stock:38
Inv Date:05-28-2026
Price: Unit price: $13.79
Buy/RFQ:
Part No:3100091
Stock:5
Inv Date:05-29-2026
Price: Unit price: $18.06
Buy/RFQ:
Part No:3100091
Stock:5
Inv Date:05-28-2026
Price: Unit price: $15.27
Buy/RFQ:

Phoenix Contact 3100091 Thermoelectric Voltage Terminal Block Pair Specifications:

  • Number of levels: 1
  • Number of connections: 2
  • Nominal cross section: 2.5 mm²
  • Color: gray
  • Insulating material: PA
  • Flammability rating according to UL 94: V0
  • Connection in acc. with standard: IEC 60947-7-1
  • Maximum load current: 1 A (with 4 mm² conductor cross section)
  • Nominal current IN: 1 A
  • Nominal voltage UN: 400 V (Voltage to the neighboring feed-through terminal block MTK.)
  • Open side panel: Yes
  • Width: 10.4 mm
  • End cover width: 1 mm
  • Length: 46.2 mm
  • Height NS 35/7,5: 39.9 mm
  • Height NS 35/15: 47.4 mm
  • Height NS 32: 44.9 mm
  • Connection method: Screw connection
  • Conductor cross section solid min.: 0.2 mm²
  • Conductor cross section solid max.: 4 mm²
  • Conductor cross section AWG min.: 24
  • Conductor cross section AWG max.: 12
  • Conductor cross section flexible min.: 0.2 mm²
  • Conductor cross section flexible max.: 2.5 mm²
  • Min. AWG conductor cross section, flexible: 24
  • Max. AWG conductor cross section, flexible: 14
  • Conductor cross section flexible, with ferrule without plastic sleeve min.: 0.2 mm²
  • Conductor cross section flexible, with ferrule without plastic sleeve max.: 1.5 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve min.: 0.2 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve max.: 1.5 mm²
  • Stripping length: 8 mm
  • Internal cylindrical gage: A3
  • Screw thread: M3
  • Tightening torque, min: 0.6 Nm
  • Tightening torque max: 0.8 Nm
  • eCl@ss 4.0: 27141117
  • eCl@ss 4.1: 27141117
  • eCl@ss 5.0: 27141120
  • eCl@ss 5.1: 27141120
  • eCl@ss 6.0: 27141120
  • eCl@ss 7.0: 27141120
  • eCl@ss 8.0: 27141142
  • ETIM 2.0: EC000902
  • ETIM 3.0: EC000902
  • ETIM 4.0: EC000902
  • ETIM 5.0: EC000904
  • UNSPSC 6.01: 30211811
  • UNSPSC 7.0901: 39121410
  • UNSPSC 11: 39121410
  • UNSPSC 12.01: 39121410
  • UNSPSC 13.2: 39121410
  • UL Recognized mm²/AWG/kcmil: 28-12
  • UL Recognized Nominal current IN: 10 A
  • UL Recognized Nominal voltage UN: 300 V
  • cUL Recognized mm²/AWG/kcmil: 28-12
  • cUL Recognized Nominal current IN: 10 A
  • cUL Recognized Nominal voltage UN: 300 V

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Frequently Asked Questions

Where can I buy Phoenix Contact 3100091?

You can click on the BUY or RFQ button to purchase 3100091 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 3100091?

You can download the 3100091 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 3100091?

Phoenix Contact

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