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Curtis Industries 523A91 Terminal Blocks

Curtis Industries' 523A91 series terminal blocks are designed for applications requiring compact and versatile connectors. These blocks feature a barrier-type construction with integrally mounted mounting holes, offering flexibility in design and installation. They are suitable for both factory and field wiring, and are UL recognized for various voltage and current ratings. The series includes options for printed circuit board and turret-type solder pin connections, making them adaptable to a wide range of industrial applications.

Authorized Distributors
Source:DigiKey
Part No:523A91
Stock:116
Inv Date:06-08-2026
Price: Unit price: $1.55
Buy/RFQ:
Part No:523A91
Stock:310
Inv Date:06-08-2026
Price: Unit price: $0.958
Buy/RFQ:
Part No:523A91
Stock:310
Inv Date:06-08-2026
Price: Unit price: $0.958
Buy/RFQ:

Curtis Industries 523A91 Terminal Blocks Specifications:

  • SERIES/TYPE: ['SE/SEI', '37000/**38000', '1500/2000', 'CB/CFT', 'AFTD', 'E', 'GFT/GB']
  • TERMINAL SPACINGS Center-To-Center Spacing (Dimensions in parentheses equal mm): ['1/4” (6.35)', '3/8” (9.52)', '3/8” & 7/16” (9.52 & 11.11)', '3/8” (9.52)', '.325 (8.25)', '3/8” (9.52)', '7/16” (11.11)']
  • Wire Range (AWG): ['22 to 16', '22 to 12', '22 to 10', '22 to 12', '22 to 16', '22 to 16', '22 to 12']
  • No. of Terminals: ['1 thru 26', '1 thru 26', '1 thru 22', '1 thru 26', '2 thru 17', '1 thru 22', '1 thru 26']
  • TERMINAL TYPES Feed Thru (Fully Insulated: ['•', '•', None, '•', '•', None, '•']
  • TERMINAL TYPES Feed Thru: ['•', '•', '•', '•', None, '•', '•']
  • TERMINAL TYPES Printed Circuit: ['•', '•', '•', '•', None, '•', '•']
  • TERMINAL TYPES Surface (Fully Insulated: ['•', None, '•', None, None, '•', '•']
  • RATING Voltage (Varies with Application. See Specifications.): ['250V', '300V', '300V', '600V', '300V', '250V', '600V']
  • RATING Current (Amps): ['5', '20', '30', '20', '10', '15', '20']
  • HOUSING Material (Black) Phenolic *150° C (302° F): [None, None, None, None, '•', None, None]
  • HOUSING Material Polyphenylene *110° C (230° F): ['•', '•', '•', None, '•', '•', '•']
  • HOUSING Material Thermoplastic-Polyester *140° C (284° F): [None, None, None, '•', '•', None, None]
  • Flammability: ['94V-0', '94V-0', '94V-0', '94V-0', '94V-0', '94V-0', '94V-0']
  • RECOGNITION Underwriter’s Laboratories Components Laboratories: ['•', '•', '•', '•', '•', '•', '•']
  • RECOGNITION CSA Certified: ['•', '•', '•', '•', '•', '•', '•']

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Frequently Asked Questions

Where can I buy Curtis Industries 523A91?

You can click on the BUY or RFQ button to purchase 523A91 from an authorized Curtis Industries distributor.

How do I troubleshoot issues or seek technical support for part 523A91?

You can download the 523A91 datasheet or visit the Curtis Industries website for support.

Who is the manufacturer of 523A91?

Curtis Industries

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