High Voltage/Current

Series 71000 .629″ 15.98mm

DIN Rail or Base Mount Terminal Block

Superior Construction

  • No end moldings, mounting brackets or metal mounting clamps required
  • Available pre-assembled to rail, or in bulk

Versatility

  • High Current – 600 volts at 86 amps
  • Finger safe design
  • Blocks can be placed end-to-end while maintaining .629 center-to-center spacing
  • Copper Wire Per UL 486A:
    • 22 – 2 AWG Stranded
    • 22 – 10 AWG Solid
  • Aluminum Wire Per UL 486A:
    • 12 to 2 AWG Stranded
    • 12 to 10 AWG Solid
  • 1 AWG (7 & 19 strands only)
  • Factory or field wiring

UL Recognized
CSA Certified 

Series CDM, .546875 (35/64″) 13.86mm

Versatile Medium Power Terminal Blocks

Superior Construction

  • Durable thermoplastic moldings
  • Sectional through-bolt construction
  • Brass terminal bars

Versatility

  • Wide variety of surface mount, power and control applications
  • One through 50 terminals on 35/64″ center-to-center spacing
  • White fiber marking strip provides easy circuit identification

UL Recognized
CSA Certified 

Series H and BT, .652″ 16.56mm

Sectional High and Medium Power Terminal Blocks Features

Type H

High-power applications, rated at 75 amps/600 volts, 16 AWG to 4 AWG

Type BT

control/power circuits, rated at 30 amps/600 volts, 22 AWG to 10 AWG

Superior Construction

  • Durable Thermoplastic Moldings
  • White fiber circuit marking strips
  • Through bolt barrier-type construction

Versatility

  • One thru 30 terminals on .652” center-to-center spacing
  • Can be used in combination with other high-current terminal blocks

UL Recognized
CSA Certified

Series L, 1.16″ 29.46mm

Heavy Load Terminal Blocks

Type L

Rated 100 amps/600 volts, Up to 1 AWG

Superior Construction

  • Tapped sidewalls for greater mechanical strength
  • Electrolytically pure copper solderless connections provide 100% conductivity

Versatility

  • Accommodates wire without lugging
  • Adaptable to branch circuit termination
  • Can be used in combination with other high-current terminal blocks

UL Recognized
CSA Certified

Series O, 1.86″ 47.24mm

Heavy Load Terminal Block

Type O

Rated 125 amps/600 volts, Up to 1/0 AWG

Superior Construction

  • Tubular high pressure solderless connections
  • Tapped sidewalls for greater mechanical strength
  • Electrolytically pure copper solderless connections provide 100% conductivity

Versatility

  • Accommodates wire without lugging
  • Adaptable to branch circuit termination
  • Can be used in combination with other high-current terminal blocks

UL Recognized
CSA Certified

Series S, 2.42″ 61.47mm

Heavy Load Terminal Block

Type S

Rated 225 amps/600 volts, Up to 4/0 AWG

Superior Construction

  • Tubular high pressure solderless connections
  • Tapped sidewalls for greater mechanical strength
  • Electrolytically pure copper solderless connections provide 100% conductivity

Versatility

  • Accommodates wire without lugging
  • Adaptable to branch circuit termination
  • Can be used in combination with other high-current terminal blocks

UL Recognized
CSA Certified

Series SW and DSW, .375″ (3/8″) 9.52mm

Snap-in Track-Type Design

Simple Assembly

  • Simply insert one edge of the two or three-pole module under the flange of the track (over the track for DIN modules) and gently snap into place.
  • To remove, push center section of spring toward molding, and module will pop free

Superior Construction

  • Break-resistant nylon
  • Rated up to 50 amps/600 volts
  • Compact design – 3/8″ center-to-center terminals provide compact circuit density
  • 32 poles/foot – 192 poles/six foot length
  • No end moldings, mounting brackets, or metal mounting clamps needed

Versatility

  • White fiber marking strip provides easy circuit identification
  • Available pre-assembled on track
  • Three different terminal variations
  • D Series made to mount on DIN track

UL Recognized
CSA Certified

Series T and U, 1.16″ 29.46mm

Heavy Load Terminal Blocks

Type T

Headless slotted screw, rated 125 amps/600 volts, 6 AWG to 1/0 AWG

Type U

Headless socket screw, rated 250 amps/600 volts 6 AWG to 250 MCM

Superior Construction

  • Tubular high pressure solderless connections
  • Tapped sidewalls for greater mechanical strength
  • Electrolytically pure copper solderless connections provide 100% conductivity

Versatility

  • Accommodates wire without lugging
  • Adaptable to branch circuit termination
  • Can be used in combination with other high-current terminal blocks

UL Recognized
CSA Certified

Series W, .4375″ (7/16″) 11.11mm

Snap-in Track-Type Design

Simple Assembly

  • Simply insert one edge of the two or three-pole module under the flange of the track (over the track for DIN modules) and gently snap into place.
  • To remove, push center section of spring toward molding, and module will pop free

Superior Construction

  • Rugged thermo-set phenolic moldings
  • Compact design – 7/16″ center-to-center terminals provide compact circuit density
  • 164 poles/six foot length
  • No end moldings, mounting brackets, or metal mounting clamps needed for assembly
  • D Series made to mount on DIN track

Versatility

  • White fiber marking strip provides easy circuit identification
  • May Be Pre-Assembled on Track
  • Three different terminal variations
  • Rated up to 75 amps/600 volts

UL Recognized
CSA Certified

Terminal Block Manufacturers

Curtis Industries has been manufacturing custom terminal blocks for over 75 years. Our high quality terminal blocks are designed with sturdy materials and are quality control tested to ensure your product functions as intended.  We manufacture terminal blocks to your exact specifications and keep your industry needs in mind. Terminal blocks are best suited for electrical applications needing high-current output and input connections like the power supply or instrumentation industries. Every terminal block we manufacture is CSA certified and meets UL standards for regulation.

High Voltage Barrier Style Terminal Blocks

Curtis Industries manufactures a variety of barrier style terminal blocks including high voltage, dual row and single row to fit many different electrical applications.  Our high voltage and high current terminal blocks are available in 71000 series, CDM series, H and BT series, L series, O series, S series, SW and DSW series, T and U series and W series. Each of these terminal blocks are rated to withstand up to 600 volts.

The 71000 series terminal blocks are designed to be placed end to end while maintaining center-to-center spacing. These can be purchased pre-assembled or bought in bulk. CDM terminal blocks are furnished with a white fiber marking strip for easy circuit identification. H & BT series can be used in combination with L, O, S, T and U series terminal blocks to increase application flexibility. The SW, DSW and W series terminal blocks feature a snap-in track design to make installation and removal easy.

Our high voltage barrier style terminal blocks can be customized in a variety of terminal variations to suit the requirements of your industry.