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Curtis Industries L12 Terminal Block Series

The Curtis Industries L-12 terminal block is designed for heavy-load terminations in machine, switchboard, and other demanding environments. Its adaptable design allows for use in branch circuit termination with simple modifications. The terminal block is recognized under UL's Components Program and CSA certified, ensuring reliable performance. Available in various configurations with multiple terminals, the L-12 series provides a versatile solution for a wide range of industrial applications. It is suitable for use in environments requiring high current and voltage ratings, and its phenolic housing offers excellent chemical resistance and a high continuous use temperature.

Authorized Distributors
Source:DigiKey
Part No:L-12
Stock:28
Inv Date:06-08-2026
Price: Unit price: $184.91
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Source:DigiKey
Part No:L12
Stock:210
Inv Date:06-08-2026
Price: Unit price: $10.15
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Part No:L-12
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.08
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Part No:L12
Stock:0
Inv Date:06-08-2026
Price: Unit price: $11.96
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Part No:L-12
Stock:0
Inv Date:06-08-2026
Price: Unit price: $280.5
Buy/RFQ:
Part No:L-12
Stock:0
Inv Date:06-08-2026
Price: Unit price: $280.5
Buy/RFQ:

Curtis Industries L12 Terminal Block Series Specifications:

  • Ratings and Wire Sizes: Type L is rated at 100A/600V, UL recognized for wire up to No. 1AWG. Type O is rated 125A/600, UL recognized for wire up to No. 1/0AWG. Type S is rated 225A/600V, UL recognized for wire up to No. 4/0AWG.
  • Recognition and Listing: UL recognized and CSA certified
  • Terminal Bar L: Nickel-plated brass terminal bar with 1/4” – 20 plated round-head steel screws. Accepts wire up to No. 1AWG.
  • Terminal Bar O: Nickel-plated brass terminal bar with 5/16” – 18 plated slotted hex-head steel screws. Accepts wire up to No. 1/0AWG.
  • Terminal Bar S: Nickel-plated brass terminal bar with 3/8” plated hex-head steel screws. Accepts wire up to No. 4/0AWG.
  • No. of Terminals L: 1 thru 12
  • No. of Terminals O: 1 thru 4
  • No. of Terminals S: 1 thru 4
  • Voltage Rating: 600V CSA and UL
  • Tightening Torque L: 50 in.-lb.
  • Tightening Torque O: 50 in.-lb.
  • Tightening Torque S: 200 in.-lb.
  • Current Rating L: 100A
  • Current Rating O: 125A
  • Current Rating S: 225A
  • Housing Material: Phenolic
  • Continuous Use Temp: 150°C (302°F)
  • Flammability Rating: 94V-1
  • Water Absorption: 0.5% wt. gain
  • Chemical Resistance: Resistant to most organic solvents
  • Breakdown Voltage Terminal-Terminal: 11,000V Typ.
  • Breakdown Voltage Terminal-Ground: 9,700V Typ.
  • Mounting Dimensions (Metric): See datasheet for detailed dimensions
  • Overall Dimensions (Metric): See datasheet for detailed dimensions
  • Mounting Dimensions (Inches): See datasheet for detailed dimensions
  • Overall Dimensions (Inches): See datasheet for detailed dimensions

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Frequently Asked Questions

Where can I buy Curtis Industries L12?

You can click on the BUY or RFQ button to purchase L12 from an authorized Curtis Industries distributor.

How do I troubleshoot issues or seek technical support for part L12?

You can download the L12 datasheet or visit the Curtis Industries website for support.

Who is the manufacturer of L12?

Curtis Industries

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