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Curtis Industries 2021YSY Terminal Block

This is a 21-position terminal block featuring twin screws and a feed-through solder pin. It is rated for 20 amps and 300 volts, with a center-to-center spacing of 7/16 inch. The terminal block accepts wire sizes up to No. 12 AWG. Designed for electronic and electrical circuit applications, it offers reliable connectivity with UL and CSA certifications. The polyphenylene oxide housing ensures durability, with a maximum operating temperature of 110°C. Ideal for complex wiring setups in industrial and commercial environments, it provides efficient and secure connections with a broad wire range and various accessory options.

Authorized Distributors
Source:DigiKey
Part No:2021-YSY
Stock:0
Inv Date:06-08-2026
Price: Unit price: $16.709
Buy/RFQ:
Part No:2021-YSY
Stock:0
Inv Date:06-08-2026
Price: Unit price: $28.21
Buy/RFQ:
Part No:2021-YSY
Stock:0
Inv Date:06-08-2026
Price: Unit price: $28.21
Buy/RFQ:

Curtis Industries 2021YSY Terminal Block Specifications:

  • Center-to-Center Spacing: 7/16 inch (11.11 mm)
  • Wire Range: Up to No. 12 AWG (CSA requires lugs for larger wires)
  • Number of Terminals: 1 to 22
  • Voltage Rating: CSA 300 volts, UL 150 volts (general industrial), 250 volts (commercial appliance), limited energy industrial 300 volts
  • Current Rating: UL 20 amps, CSA 15 amps
  • Housing Material: Polyphenylene Oxide
  • Maximum Operating Temperature: 110°C (230°F)
  • Flammability Rating: UL 94V-0
  • Water Absorption: 0.6% wt. gain in 24 hours
  • Chemical Resistance: Resistant to inorganic bases and acids
  • Mounting: Spring clips for attachment
  • Dimensions: Overall height approximately 1.0 inch (25.4 mm), width varies by model, housing thickness 0.030 inches

Buy the Curtis 2021YSY – Reliable Feed-Through Terminal Block for Industrial Applications

Enhance your electrical assembly with Curtis 2021YSY, a 21-position terminal block designed for maximum durability and versatility. Featuring twin screws and feed-through solder pins, it supports wire sizes up to No. 12 AWG and operates safely at 20 amps and 300 volts. The polyphenylene oxide housing offers high temperature resistance, while UL and CSA certifications ensure safety and quality. Ideal for complex circuits, this terminal block simplifies wiring, reduces installation time, and ensures secure, reliable connections in industrial, commercial, and electronic applications. Available for quick online purchase.

Buy Curtis 2021YSY now and experience unmatched reliability and performance in electrical wiring solutions for demanding industrial environments.

Frequently Asked Questions

Where can I buy Curtis Industries 2021YSY?

You can click on the BUY or RFQ button to purchase 2021YSY from an authorized Curtis Industries distributor.

How do I troubleshoot issues or seek technical support for part 2021YSY?

You can download the 2021YSY datasheet or visit the Curtis Industries website for support.

Who is the manufacturer of 2021YSY?

Curtis Industries

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