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Curtis Industries 1521ST Terminal Block

This is a 21-position terminal block with twin screws, rated for 15 amps and 300 volts. It features a 3/8 inch (9.52mm) center-to-center spacing, a closed-back design, and a double solder lug. The terminal block accepts wire sizes up to No. 12 AWG, making it suitable for various electrical applications. Constructed with self-extinguishing thermoplastic, it resists damage and conforms to UL94V-0 standards. Suitable for surface mounting, it offers reliable, economical connections in electronic and electrical circuits, with UL and CSA certifications ensuring high safety and performance standards.

Authorized Distributors
Source:DigiKey
Part No:1521-ST
Stock:0
Inv Date:06-08-2026
Price: Unit price: $15.3384
Buy/RFQ:
Part No:1521-ST
Stock:0
Inv Date:06-08-2026
Price: Unit price: $25.9
Buy/RFQ:
Part No:1521-ST
Stock:0
Inv Date:06-08-2026
Price: Unit price: $25.9
Buy/RFQ:

Curtis Industries 1521ST Terminal Block Specifications:

  • Number of Positions: 21
  • Voltage Rating: 300 volts (CSA), 150 volts (UL)
  • Current Rating: 15 amps
  • Center-to-Center Spacing: 3/8 inch (9.52 mm)
  • Wire Range: Up to No. 12 AWG
  • Housing Material: Self-extinguishing thermoplastic conforming to UL94V-0
  • Terminal Type: Twin screw, double solder lug
  • Mounting: Surface mount design with spring clips
  • Certifications: UL Recognized, CSA Certified
  • Temperature Rating: 110°C continuous use
  • Flammability: UL 94V-0
  • Construction: Robust, damage-resistant design
  • Application: Electronic and electrical circuit connections
  • Connector Material: Tin-plated brass
  • Housing Material: Polyphenylene Oxide
  • Operating Environment: Suitable for various industrial settings
  • Dimensions: Standard series dimensions as per catalog
  • Compatibility: Accepts wire sizes up to No. 12 AWG
  • Certifications: Recognized by major electrical safety standards
  • Design Features: Economical, closed-back, corrosion-resistant
  • Installation: Easy to mount on surface or chassis

Buy the Curtis Series 1500 Terminal Block: 1521ST

Purchase the Curtis Series 1500 Terminal Block 1521ST online today and ensure reliable, high-quality connections for your electrical and electronic projects. This 21-position terminal block features twin screws, rated at 15 amps and 300 volts, with a 3/8 inch spacing and a double solder lug for versatile wiring. Constructed with self-extinguishing thermoplastic, it resists damage and conforms to UL94V-0 standards. Its robust design offers easy surface mounting, making it ideal for a wide range of industrial, commercial, and electronic circuit applications. Order now for quick, secure delivery and reliable operation.

Order your Curtis Series 1500 Terminal Block 1521ST today and give your electrical projects the dependable quality they deserve.

Frequently Asked Questions

Where can I buy Curtis Industries 1521ST?

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

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

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

Who is the manufacturer of 1521ST?

Curtis Industries

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