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Curtis Industries H18 High Power Terminal Block

The Curtis H18 terminal block is a sectional high and medium power connector suited for electrical control and power circuits. It features a brass bar with high-pressure solderless connectors accepting wire from No. 16AWG to No. 4AWG, rated at 75 amps and 600 volts for Type H. The design includes a unique bar and traveling collar to eliminate wire lugging, with UL recognition from No. 16AWG to No. 4AWG. It offers high circuit density, versatility with other types, and durable thermoplastic-polyester housing rated at 130°C. Complete with hinged or plain covers, this terminal block ensures secure, reliable, and efficient wiring connections for demanding electrical environments.

Authorized Distributors
Source:DigiKey
Part No:H-18
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1.32
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Source:DigiKey
Part No:H-18
Stock:0
Inv Date:06-08-2026
Price: Unit price: $103.226
Buy/RFQ:
Part No:H-18
Stock:0
Inv Date:06-09-2026
Price: N/A
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Part No:H-18
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1.23
Buy/RFQ:
Part No:H-18
Stock:4
Inv Date:06-08-2026
Price: Unit price: $2383.2
Buy/RFQ:
Part No:H-18
Stock:4
Inv Date:06-08-2026
Price: Unit price: $2383.2
Buy/RFQ:

Curtis Industries H18 High Power Terminal Block Specifications:

  • Center-to-Center Spacing: 0.652 inch (16.56 mm)
  • Wire Range: No. 16AWG to No. 4AWG
  • Number of Terminals: 1 to 30
  • Voltage Rating: 600 volts
  • Current Rating: 75 amps
  • Housing Material: Thermoplastic-polyester
  • Continuous Use Temp.: 130°C (266°F)
  • Flammability Rating: UL 94V-0
  • Water Absorption: 0.7% by weight over 24 hours
  • Breakdown Voltage (Terminal to Terminal): 10,400V
  • Terminal to Ground: 8,400V
  • Tightening Torque: 45 in.-lbs. (4-6AWG), 40 in.-lbs. (@AWG), 36 in.-lbs. (10-16AWG)
  • Dimensions vary from 2.36 inches (59.8 mm) to 7.57 inches (192.2 mm) depending on number of terminals
  • Cover options include hinged or plain black bakelite, with thicknesses of 3/16 inch or 1/16 inch respectively

Buy the Curtis Series H High Power Terminal Block: H18

Purchase the Curtis Series H18 high power terminal block online to experience dependable electrical connections suitable for demanding control and power applications. This robust terminal block features brass construction with solderless connectors accepted for wire sizes from No. 16AWG to No. 4AWG, rated at 75 amps and 600 volts. Its thermoplastic-polyester housing withstands temperatures up to 130°C, offering UL recognition and multiple cover options for secure installation. Designed for high circuit density, it ensures safety, ease of use, and extended durability in industrial environments.

Order your Curtis Series H18 high power terminal block today and ensure secure, reliable electrical connections for your control and power circuits.

Frequently Asked Questions

Where can I buy Curtis Industries H18?

You can click on the BUY or RFQ button to purchase H18 from an authorized Curtis Industries distributor.

How do I troubleshoot issues or seek technical support for part H18?

You can download the H18 datasheet or visit the Curtis Industries website for support.

Who is the manufacturer of H18?

Curtis Industries

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