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Curtis Industries H21 High Power Terminal Block

The Curtis H21 terminal block is a high-power, sectional device designed for control and power circuits in industrial settings. It features a 16.56 mm (0.652 inch) center-to-center spacing, accommodating up to 30 terminals. Made from durable thermoplastic-polyester with a flammability rating of UL 94V-0, it supports a voltage rating of 600 volts and a current of 75 amps. The product includes options with hinged or plain black bakelite covers for flexible installation. Suitable for both high and medium power applications, it combines efficiency with safety and ease of use in complex wiring systems.

Authorized Distributors
Source:DigiKey
Part No:H-21
Stock:0
Inv Date:06-08-2026
Price: Unit price: $2.22
Buy/RFQ:
Source:DigiKey
Part No:H-21
Stock:0
Inv Date:06-08-2026
Price: Unit price: $117.656
Buy/RFQ:
Part No:H-21
Stock:0
Inv Date:06-08-2026
Price: Unit price: $2.06
Buy/RFQ:

Curtis Industries H21 High Power Terminal Block Specifications:

  • Center-to-Center Spacing: 0.652 inches (16.56 mm)
  • Number of Terminals: 1 to 30
  • Voltage Rating: 600 volts (UL and CSA)
  • Current Rating: 75 amps
  • Wire Range: No. 16AWG to No. 4AWG (Type H); No. 22AWG to No. 10AWG (Type BT)
  • Material: Thermoplastic-polyester
  • Flammability Rating: UL 94V-0
  • Temperature Resistance: 130°C (266°F)
  • Water Absorption: 0.7% after 24 hours
  • Breakdown Voltage: Terminal to terminal 10,400V, terminal to ground 8,400V
  • Dimensions vary by number of terminals, up to 20 terminals approximately 20.5 inches (520.7 mm) long
  • Recognized by UL and CSA, suitable for industrial control and power circuits

Buy the Buy Curtis High Power Terminal Block Part Number H21 Online

Enhance your industrial wiring with the Curtis High Power Terminal Block. Featuring UL recognition, 600V rating, 75A capacity, and durable thermoplastic construction, this terminal block provides secure, reliable connections for control and power circuits. Its versatile design allows for easy installation with hinged or plain covers, accommodating up to 30 terminals. Whether deploying in manufacturing, automation, or control systems, order online now for immediate delivery and superior performance, ensuring your projects meet safety and efficiency standards with ease.

Order your Curtis SeriesH21 high-current terminal block today and ensure robust, safe connections for your industrial control and power applications.

Frequently Asked Questions

Where can I buy Curtis Industries H21?

You can click on the BUY or RFQ button to purchase H21 from an authorized Curtis Industries distributor.

How do I troubleshoot issues or seek technical support for part H21?

You can download the H21 datasheet or visit the Curtis Industries website for support.

Who is the manufacturer of H21?

Curtis Industries

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