Terminal Blocks

Barrier Style Terminal Blocks

Single Row

Series SE/SEI
Series SE/SEI
.25” (1/4”) 6.35mm

Miniature Feed-Thru Printed Circuit and Surface Connection

  • Superior Construction 
  • Integrally mounted .116” diameter mounting holes
  • External terminals available in two No. 2-56 screw designs 22 AWG to 16 AWG 
  • Internal terminals include .047" diameter printed circuit pin, and turret-type solder pins
  • Barrier-type construction
  • High-impact, break-resistant thermoplastic
  • Versatility
  • SE Series offers all the compactness and versatility of the SEI Series without full feed-through insulation
  • One through 26 terminals on 1/4" center-to-center spacing
  • Two No. 2-56 screw designs
  • UL Recognized
  • CSA Certified

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Series 3250
Series 3250 .325” 8.25mm Open or
Tri-Barrier

Complete line of .325" Offset Blocks

  • Superior Construction 
  • 94 V-O Flammability Rating
  • Molded-in standoffs aid in board cleaning process
  • Open or Tri-Barrier designs
  • Base mount, PC pin, wire wrap, turret, and right angle terminals
  • Wide Variety of screw and wire terminations 
  • Wire Clamps
  • Wire-Ready Screws
  • Combo-Head Screws
  • UL Recognized
  • CSA Certified

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Series 3250
Series 37000/38000 .375” (3/8”) 9.52mm

Complete line of 3/8" centerline terminal block styles, open or tri-barrier

  • Superior Construction 
  • Break-resistant, high-impact thermoplastic
  • No pin twist.  Fewer broken solder joints. 
  • Molded-in standoffs aid in board cleaning process
  • Versatility
  • Surface mount, PC mount, panel mount, feed-through
  • Top and bottom terminations
  • Open or tri-barrier style
  • Up to 12 AWG
  • Full line of accessories
  • UL Recognized
  • CSA Certified

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Series CB and CFT, .375” (3/8”) 9.52mm
Series CB and CFT, .375” (3/8”) 9.52mm

Ideal for electronic and control feed-through applications where space is limited

  • Superior Construction 
  • Suitable for high-moisture and dust environments
  • Compact barrier-type design
  • Break-resistant, high-impact thermoplastic
  • No pin twist.  Fewer broken solder joints
  • 20 amps/up to 600 volts 
  • Versatility
  • Meets industrial control clearance and creepage requirements set by UL 
  • Feed-though, printed circuit or surface connection
  • One to 26 terminals on 3/8" center-to-center spacing 
  • UL Recognized
  • CSA Certified

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Series CB and CFT, .375” (3/8”) 9.52mm
Series 43000
.4375” (7/16”) 11.11mm Centerline Terminal Blocks
  • Superior Construction 
  • Durable, self-extinguishing polypropylene
  • Plated brass inserts
  • No pin twist.  Fewer broken solder joints. 
  • Molded-in standoffs aid in board cleaning process
  • Versatility
  • Base mount and feed thru styles with PC pin, turret, quick connect, wire wrap and right angle
  • Available in up to 28 positions
  • Variety of top terminations including 6-32 and 8-32 screws, quick connects, wire clamps, jumpers, and covers
  • 22 AWG to 12 AWG
  • Rated up to 30 AMPS, 600 Volts (Note: 30 amp requires 10 AWG wire and lugs)
  • UL Recognized
  • CSA Certified
  • Special Applications - Consult any authorized Curtis distributor

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Series CB and CFT, .375” (3/8”) 9.52mm
Series GFT/GB, .4375” (7/16”) 11.11mm

Ideal for Sub-Chassis or Through-Panel Applications  

  • Superior Construction 
  • Feed-through insulators integral to the moldings
  • 20 amps/up to 600 volts, 22 AWG to 12 AWG
  • Compact barrier-type design
  • Break-resistant, high-impact thermoplastic
  • No pin twist.  Fewer broken solder joints.
  • Versatility
  • No costly insulation or mounting set-up
  • Feed-though, printed circuit or surface connection
  • 1/4" terminal-to-ground clearance (even through 1/16" chassis)
  • One to 26 terminals on 7/16" center-to-center spacing 
  • Available in two screw sizes
  • Metric screws for export applications
  • UL Recognized
  • CSA Certified

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Dual Row

Series 1500/2000, .375”/.475” (3/8”/7/16”) 9.52mm/11.11mm
Series 1500/2000, .375”/.475” (3/8”/7/16”) 9.52mm/11.11mm

Hi-Temperature Thermoplastic Terminal Blocks

  • Superior Construction
  • Surface mount, sub-panel, chassis connection
  • Self-extinguishing
  • Resist breakage
  • No. 6-32 external twin screws
  • 22 AWG to  10 AWG
  • Economical closed-back design (no need for costly insulation strip)
  • Versatility
  • Double solder lug, single solder lug, wire wrap, solder pin, or printed circuit pin
  • One through 26 terminals
  • 1500 Series – 15 amps/300 volts (CSA)
  • 2000 Series – 20 amps/300 volts (CSA)
  • UL Recognized - 30 amps/100 volts RMS (1/3 breakdown voltage)
  • CSA Certified 

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Series 1500/2000, .375”/.475” (3/8”/7/16”) 9.52mm/11.11mm
Series M
  • Compact Modular Design for Low Power Circuits - Suitable for surface connection applications using channel assembled modular construction.
  • All-Surface Mountability - Requires no additional insulation. Electro tin-coated steel mounting channel has two .196" diameter mounting holes.
  • Thermo-Set Phenolic Barrier-Type Terminal Blocks - One thru 24 terminals are on 1/2" center-to-center spacing.
  • Broad Choice of Terminal Connections - Available in three screw designs and two .250" wide quick-connect variations offering up to four connections per terminal.
  • Wire Sizes - Series M (No. 6-32 screw) is UL recognized for No. 22AWG to No. 14 AWG. MA Series (No. 8-32 screw) is UL recognized for No. 22AWG to No. 12AWG. CSA requires lugs on wire larger than No. 14AWG for series MA, and CSA requires lugs on No. 16AWG for Series M. Marking tabs are available for circuit identification.
  • Current/Voltage Rating - MA Series 25 amps/300 volts, M Series 15 amps/300 volts.

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Series 1500/2000, .375”/.475” (3/8”/7/16”) 9.52mm/11.11mm
Series 5600 .562” 14.29mm

Hi-Temperature Thermoplastic Terminal Blocks       

  • Superior Construction
  • Surface mount, sub-panel, chassis connection
  • Thermo-set phenolic barrier-type
  • Self-extinguishing
  • No. 6-32 external twin screws
  • 22 AWG to  8 AWG
  • Economical closed-back design (no need for costly insulation strip)
  • Versatility
  • Double solder lug, single solder lug, wire wrap, solder pin, or printed circuit pin
  • One through 26 terminals
  • 40 - 50 amps/600 volts (CSA)
  • UL Recognized
  • CSA Certified 

Catalog Page

High Voltage/Current

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

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Series W, .4375” (7/16”) 11.11mm
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

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Series CDM, .546875 (35/64”) 13.86mm
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

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Series CDM, .546875 (35/64”) 13.86mm
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
  • 22 AWG to 2 AWG, 1 AWG (7 and 19 strand only)
  • Factory or field wiring
  • UL Recognized
  • CSA Certified

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Series H and BT, .652” 16.56mm
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

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Series T and U, 1.16” 29.46mm
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

Catalog Page

Series L, 1.16” 29.46mm
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

Catalog Page

Series O, 1.86” 47.24mm
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

Catalog Page

Series S, 2.42” 61.47mm
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

Catalog Page

RoHS 2002/95/EC: RoHS compliance available on selected lines