BlockMaster Electronic’s High-Power Terminal Blocks series start at 30A @ 300V and are available up to 130A @ 600V. (read more)

HP-AT101-1-03P and HP-AT101-6-03P are rated at 50 amp / 300 volts, quick convenient way to split primary power to ¼” QC terminals, or wire clamps and ¼” QC Terminals. (read more)

Rated at 100A, 600V with a 16mm pitch. Perfect for Motor Controls, Industrial Controls, Pump Controls, Electrical Switch Gear, and Off-Highway Vehicles. (read more)

We can cross-reference various terminal blocks from our competitors. (read more)

We have no issues getting you 100+ Amps on a PC Board! Contact us to learn more. #electronics #terminalblocks (read more)

PCB & Surface Mount Screw Terminal Blocks rated from 25A to 150A (read more)

Do you need high power blocks? Look no further! (read more)

Even EV Charging Stations need terminal blocks! (read more)

We keep a large inventory so we can get you products quickly!

See our options (read more)

The HP-T3048A is a finger-safe, turret style terminal block. Contact us to learn more or place an order (read more)

The HP-ATH-255-6 is rated at 255A and 600V. Perfect for HVAC, Switch Gears, Generators, and more. Contact us to place an order (read more)

It is easy to see how our Double Row Blocks are so popular! Contact us to learn more or place an order.

Contact Us (read more)

BlockMaster's HP Series tab style terminal blocks are suitable for todays requirements in appliances, HVAC equipment, panels and similar products where secondary power distriution is required. (read more)

Our HP-AT101 Series, HP-ATA Series, and any other blocks are perfect for HVAC applications. (read more)

BlockMaster’s 10 to 75 amp Double Row terminal Blocks are the standard of the electronic industry

• Available from 10A to 75A, 250V-600V.
• 9.5mm, 11mm, 14mm, and 17.45 mm.
• Phillips/Slotted combo head screws, nickel plated.
• Value added services include adding 0.187″ or 0.250″ QC Terminals and jumpers.
• Laser customizati...

Presenting BlockMaster Electronics’ new HP-AT101 series, Rated at 50A/300V, 2 and 3 poles, line input
power distribution blocks. These blocks provide a convenient means
of transitioning larger gauge #2-14 wire to internally distribute
#10/14 gauge secondary circuitry (thru .250“ Q.C.). Suitable for
medium size appliance, HVAC, industrial products and light... (read more)

BlockMaster’s Terminal Blocks for all your Electric Vehicle (EV) Charging Requirements

• Electric Vehicle Charging Stations
• Wireless Charging Stations
• Auto, Delivery Vans & Public Transportation
• 50—380 Amps
• 300—600 Volts
• Terminations: Screw Clamp, .250” Q.C., Ring/Spade

Click to View... (read more)

FASTER & SAFER: No More Twisting or Taping! Transparent, color-coded, reusable and easy to use, Clear Connects provide visual confirmation for a perfect connection every time!

Features:

• Color-coded for easy identification; color indicates number of positions
• Touch-Safe; wires are safely shrouded by connector housing -Clear housing provides visual c...

Tab Internal Wiring Type Terminal Blocks

BlockMaster’s HP Series tab style terminal blocks are suitable for todays requirements in appliances, HVAC equipment, panels and similar products where secondary power distribution is required. Also intended for low voltage control circuit interconnections.

Available with standard 0.250” Q.C. tabs or optional 0.187... (read more)

BlockMaster Electronics has expanded its line of PCB Screw Terminal Blocks with our new OP-930-P35 single pole terminal blocks.

The OP-930-P35 single pole terminal block has a current rating of 40A at 1,000V. Terminals are brass / nickel plated. Comes standard with a brass / nickel plated M4 screw

Applications include:

• Electric Vehicle (EV) Chargi...

BlockMaster’s has a variety of terminal blocks for the HVAC industry. These blocks include tab terminal blocks, medium power blocks, and high power blocks. Ratings are: 250V/25A for Tab Terminals; 300V/50A for Medium Power Terminal Blocks; and 600V/90A-380A for High Power Terminal Blocks. (read more)

Screwless Terminal Blocks

BlockMaster Electronics offer Screwless Terminal Blocks. These products are what they sound like – screwless! No screwdriver is needed for wire termination. These terminal blocks have a button, lever, slide, and poke-home versions that have a variety of centerlines.

Click here to see our options (read more)

BlockMaster Electronics' Value-Added Center provides extensive customizations. The result: quick delivery and reduced cost. Watch the Video (read more)

BlockMaster has a Variety of Terminal Blocks (read more)

Tab & Medium Power Terminals Blocks (read more)

BlockMaster’s HP Series tab style terminal blocks are suitable for todays requirements in appliances, HVAC equipment, panels and similar products where secondary power distribution is required. Also intended for low voltage control circuit interconnections.

Available with standard 0.250” Q.C. tabs or optional 0.187” Q.C. tabs. These blocks mount with a single fas... (read more)

BlockMaster’s Eurostyle terminal strips are cut to order and legends printed in our Illinois facility for quick turnaround.

BlockMaster Electronics offers a variety of Eurostyle blocks and terminal strips that are sure to suit your need. Our Eurostyle Terminal Strips are available with pitches or centers of 8mm, 10mm, 12mm, and 14mm sizes; a range of 17.5A-41A; elevator clam... (read more)

Jelly Bean® Terminal Blocks are color-coordinated to reduce assembly errors. (read more)

BlockMaster Electronics offers a variety of Eurostyle blocks and terminal strips that are sure to suit your need. Our Eurostyle Terminal Strips are available with pitches of 8mm, 10mm, 12mm, and 14mm sizes; a range of 17.5A-41A; elevator clamps; and wire protector products. Custom legends are available (contact factory).

See Our Options (read more)

BlockMaster Electronics provides laser marking for customizing terminal blocks. You can customize with letters, numbers, symbols, and logos. Laser marking is done in-house and is part of our value-added service. (read more)

BlockMaster Electronics offer Screwless Terminal Blocks. These products are what they sound like – screwless! No screwdriver is needed for wire termination. These terminal blocks have a button, lever, slide, and poke-home versions that have a variety of centerlines. (read more)

Take a look at our product family

BlockMaster Electronic’s Turret Style Double Row Terminal Blocks

BlockMaster Electronic’s Turret Style Double Row Terminal Blocks are a valuable finger safe option. Available in 2, 4, or 6 positions. 250V, 25A, 7.5mm pitch.

This product is especially suited for HVAC and other similar control voltage applications. S... (read more)

Jelly Beans are a series of terminal blocks that can be assembled with different coloring for each position to help eliminate field installation mistakes. Jelly Bean terminal blocks have modular construction for customer-specified length, ten colors are available, standoffs for improved flux removal, and are UL recognized.

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HIGH POWER TERMINAL BLOCKS have been around for a long time. Generally speaking, these products range between 50 to 750 amps and up to 600 volts. During the last several years there has been new requirements in the following industries for these products:

• Automotive Vehicle EV Charging Stations
• Solar Power
• HVAC
• Wind Power
• Server Far...

BlockMaster’s 10 to 75 amp Double Row terminal Blocks are the standard of the electronic industry

• Available from 10A to 75A, 250V-600V.
• 9.5mm, 11mm, 14mm, and 17.45 mm.
• Phillips/Slotted combo head screws, nickel plated.
• Value added services include adding 0.187″ or 0.250″ QC Terminals and jumpers.
• Laser customization

New markets bring new designs: HIGH POWER TERMINAL BLOCKS have been around for a long time. Generally speaking, these products range between 50 to 750 amps and up to 600 volts. During the last several years there has been new requirements in the following industries for these products: Automotive Vehicle EV Charging, Stations, Solar Power, HVAC, (read more)

100+ Amps on a PC Board (read more)

BlockMaster’s family of Double Row are available with 0.187″ and 0.250” QC terminals.

BlockMaster’s 10 to 40 amps Double Row terminal Blocks are the standard of the electronic industry

• Available from 10A to 40A, 250V-600V.
• 9.5mm, 11mm, and 14mm.
• Phillips/Slotted combo head screws, nickel plated.
• Value ad...

BlockMaster Electronics has expanded its line of PCB Screw Terminal Blocks with our OT-017F-M4 single pole terminal blocks.

The OT-017F-M4 single pole terminal block has a current rating of 60A at 1,000V. Terminals are brass / nickel plated. Comes standard with a steel / nickel plated M4 screw.

Applications include:

• Electric Vehicle (EV) Charging<.../li>

BlockMaster Electronic’s High-Power Thru-Panel Terminal Blocks are available 20A and 25A @ 300V. Also 50A-250A @ 600V. For added protection, we offer clear plastic covers for field installation. All of our products have UL approval and are RoHS compliant.

Applications: Suitable for: Power Supplies Servo & Variable Frequency Motor Drives Lighting Industrial Controls Elect... (read more)

For added protection, we offer clear plastic covers for field installation. All of our products have UL approval and are RoHS compliant.

Features:

• Barrier Construction
• UL Recognized
• Vertical Mount
• Two Pins per Pole
• Optional Cover Available
• M4 Screws
• High Current – Rated for 30A

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From 3.5mm (.138”) to 10.16mm (.400”) PCB and SM Headers. Straight, 45° and 90° Plugs. In stock at BlockMaster Electronics in Illinois. (read more)

Pluggable Terminal Blocks

BlockMaster Electronics offers male and female connectors that have a variety of centerlines. We have standard & vertical plugs, dual level headers, ejector headers, and standard & pin strip headers.

Learn More (read more)

BlockMaster’s 10 to 40 amp Double Row terminal Blocks are the standard of the electronic industry

• Available from 10A to 40A, 250V-600V.
• 9.5mm, 11mm, and 14mm.
• Phillips/Slotted combo head screws, nickel plated.
• Value added services include adding 0.187″ or 0.250″ QC Terminals and jumpers.

Learn More (read more)

BlockMaster Electronics has expanded its line of PCB Screw Terminal Blocks with our new OP-930-P35 single pole terminal blocks.

The OP-930-P35 single pole terminal block has a current rating of 40A at 1,000V. Terminals are brass / nickel plated. Comes standard with a brass / nickel plated M4 screw

Applications include:

• Electric Vehicle (EV) Chargi...

BlockMaster’s 25 to 150 amp PCB screw terminals are suitable for today’s requirements of high current termination on printed circuit boards.

• PCB, 25 – 150 amps.
• Straight or Right Angle
• Available with or without screws (M4, M5, M6, M8)
• RoHS compliant

Applications: Electric Vehicles, Solar Power, Inverters, Battery Cha... (read more)