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Curtis Industries 1521 terminal block

A 21-position terminal block featuring a twin screw design, rated for 15 amps and 300 volts. The terminal block has a 3/8 inch (9.52 mm) center-to-center spacing, a closed-back construction, and accommodates up to No. 12 AWG wire. Made from self-extinguishing thermoplastic conforming to UL94V-0, it offers reliable electrical connections with broad wire range capabilities. Suitable for surface mount, sub-panel, or chassis connections, it provides a cost-effective, insulated, and durable solution for electronic and electrical circuit applications.

Authorized Distributors
Source:DigiKey
Part No:1521
Stock:11
Inv Date:06-08-2026
Price: Unit price: $16.67
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Source:DigiKey
Part No:1521
Stock:5
Inv Date:06-08-2026
Price: Unit price: $103.48
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Part No:1521
Stock:0
Inv Date:06-09-2026
Price: N/A
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Part No:1521
Stock:0
Inv Date:06-09-2026
Price: N/A
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Part No:1521
Stock:0
Inv Date:06-09-2026
Price: N/A
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Part No:1521
Stock:0
Inv Date:06-09-2026
Price: N/A
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Part No:1521
Stock:0
Inv Date:06-08-2026
Price: Unit price: $34
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Part No:1521
Stock:0
Inv Date:06-08-2026
Price: Unit price: $40.98
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Part No:1521
Stock:0
Inv Date:06-08-2026
Price: Unit price: $14.72
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Authorized Distributors
Part No:1521
Stock:0
Inv Date:06-08-2026
Price: Unit price: $14.72
Buy/RFQ:

Curtis Industries 1521 terminal block Specifications:

  • Center-to-Center Spacing: 3/8 inch (9.52 mm)
  • Current Rating: 15 amps
  • Voltage Rating: 300 volts
  • Number of Terminals: 21
  • Wire Range: up to No. 12 AWG
  • Material: Self-extinguishing thermoplastic conforming to UL94V-0
  • Housing Material: Polyphenylene Oxide
  • Continuous Use Temperature: 110°C (230°F)
  • Flammability Rating: 94V-0
  • Water Absorption: 0.6% by weight (24 hours)

Buy the Curtis 1521 – Reliable Terminal Blocks for Industrial Applications

Purchase Curtis 1521 terminal block online today for high-quality, reliable electrical connections in electronic and industrial applications. Designed with a twin screw configuration, rated for 15 amps and 300 volts, it features a 3/8 inch center-to-center spacing and accommodates up to No. 12 AWG wire. The self-extinguishing thermoplastic housing ensures safety and durability, making it ideal for surface mount, sub-panel, or chassis connections. Buy now for a secure, cost-effective, and long-lasting electrical solution.

Get Curtis 1521 today—built for precision, durability, and electrical safety in industrial environments.

Frequently Asked Questions

Where can I buy Curtis Industries 1521?

You can click on the BUY or RFQ button to purchase 1521 from an authorized Curtis Industries distributor.

How do I troubleshoot issues or seek technical support for part 1521?

You can download the 1521 datasheet or visit the Curtis Industries website for support.

Who is the manufacturer of 1521?

Curtis Industries

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