0
My RFQ

Terminal Blocks - Power Distribution

Category Introduction

Power distribution terminal blocks are used for branching a single source of power to multiple circuits via push-in, screw connection, threaded stud or quick connect poles. Power distribution terminal blocks are differentiated by the number of poles, connections per pole, stud size, and voltage and current ratings.

Product List

706 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusTypeNumber of PolesLine Side Connections Per PoleLoad Side Connections Per PoleLine Side Connection TypeLoad Side Connection TypeLine Side Wire/Stud SizeLoad Side Wire/Stud SizeVoltage - RatedCurrent Rating (Amps)
2315256
2315256
PWR DISTRIB BLOCK 2POS 15A 250V
Phoenix Contact
 7 $37.09
VARIOFACE, VIP Box ActivePower Distribution Block228Screw ConnectionTerminal Blocks10-24 AWG12-24 AWG250 V15 A
11725-3
11725-3
PWR DISTRIB BLOCK 3POS 70A 600V
Eaton - Bussmann Electrical Division
 7 $49.91
Magnum® 11725 Bulk ActivePower Distribution Block314Screw Connection1/4" Quick Connects2-8 AWG AL; 2-14 AWG CU-600 V70 A
16220-3
16220-3
PWR DISTRIB BLOCK 3POS 175A 600V
Eaton - Bussmann Electrical Division
 6 $101.14
Magnum® 162 Bulk ActivePower Distribution Block314Screw ConnectionScrew Connection2/0 - #14CU; 2/0 - #8AL#4 - #14CU; 4 - #8AL600 V175 A
16021-2
16021-2
PWR DISTRIB BLOCK 2POS 175A 600V
Eaton - Bussmann Electrical Division
 2 $139.50
Magnum® 160 Bulk ActivePower Distribution Block216Screw ConnectionScrew Connection2/0 - #14CU; 2/0 - #8AL#4 - #14CU; 4 - #8AL600 V175 A
PDBFS377
PDBFS377
PDB FINGER SAFE ASSEMBLY
Eaton - Bussmann Electrical Division
 5 $165.25
PDBFS Bulk ActivePower Distribution Block1212Screw ConnectionScrew Connection300MCM (kcmil) - #4CU/AL4 - #6CU/AL, #8 - #14CU, #8 - #12AL600 V-
PDBFS330
PDBFS330
PDB FINGER SAFE ASSEMBLY
Eaton - Bussmann Electrical Division
 4 $177.30
PDBFS Bulk ActivePower Distribution Block116Screw ConnectionScrew Connection500MCM (kcmil) - #6CU/AL2 - #8CU/AL, 10 - #14CU600 V-
CB16/3H
CB16/3H
PWR DISTRIB BLK HIGH TEMP
Altech Corporation
 166 $4.03
EUROBLOCKS™ Bulk ActivePower Distribution Block311Screw ConnectionScrew Connection6-18 AWG6-18 AWG300 V65 A
CB6/4H
CB6/4H
PWR DISTRIB BLK HIGH TEMP
Altech Corporation
 52 $4.89
EUROBLOCKS™ Bulk ActivePower Distribution Block444Screw ConnectionScrew Connection10-22 AWG10-22 AWG300 V30 A
CXDB35/10A
CXDB35/10A
CONN TERM BLK DIST 2-14AWG
Altech Corporation
 54 $12.31
Bulk ActivePower Distribution Block114Screw ConnectionPush In2-14 AWG8-24 AWG600 V-
LFS13003Z
LFS13003Z
PWR SPLICE BLOCK 3POS 115A 600V
Littelfuse Inc.
 28 $13.60
POWR-BLOKS® LF Box ActivePower Splicer Terminal Block311Screw ConnectionScrew Connection2 - #14CU/AL2 - #14CU/AL600 V115 A
CBS50-4P
CBS50-4P
COMPACT POWER TERM BLOCK
TE Connectivity ENTRELEC
 7 $16.49
Box ActivePower Distribution Block144Screw ConnectionScrew Connection1-10 AWG1-10 AWG1000 V150 A
CBS185-2P
CBS185-2P
COMPACT POWER TERM BLOCK
TE Connectivity ENTRELEC
 15 $37.14
Box ActivePower Distribution Block122Screw ConnectionScrew Connection300MCM (kcmil) - 2/0 AWG8-16 AWG1000 V310 A
561160
561160
SPLICE BLOCK 85A UL ALUMINUM
nVent
 98 $7.32
Box ActivePower Distribution Block112Screw ConnectionScrew Connection#10AL-#16AL#10AL-#16AL1000 V85 A
561161
561161
SPLICE BLOCK 150A UL ALUMINUM
nVent
 22 $9.94
Box ActivePower Distribution Block112Screw ConnectionScrew Connection1/0-#8AL1/0-#8AL1250 V150 A
561150
561150
SPLICE BLOCK 85A UL COPPER
nVent
 42 $11.73
Box ActivePower Distribution Block112Screw ConnectionScrew Connection#10CU-#16CU#10CU-#16CU1000 V85 A
561158
561158
SPLICE BLOCK 150A UL COPPER
nVent
 12 $16.48
Box ActivePower Distribution Block112Screw ConnectionScrew Connection1/0-#8CU1/0-#8CU1250 V150 A
561162
561162
SPLICE BLOCK 200A UL ALUMINUM
nVent
 5 $16.97
Box ActivePower Distribution Block112Screw ConnectionScrew Connection3/0-#2AL3/0-#2AL1000 V200 A
561163
561163
SPLICE BLOCK 255A UL ALUMINUM
nVent
 24 $22.37
Box ActivePower Distribution Block112Screw ConnectionScrew Connection250MCM (kcmil) - #6AL250MCM (kcmil) - #6AL1250 V255 A
561132
561132
POWER TERMINAL 250A
nVent
 43 $23.17
Box ActivePower Stud Terminal Block211Screw ConnectionScrew Connection250MCM (kcmil) - #8CU250MCM (kcmil) - #8CU1000 V255 A
561151
561151
SPLICE BLOCK 200A UL COPPER
nVent
 14 $29.11
Box ActivePower Distribution Block112Screw ConnectionScrew Connection3/0-#2CU3/0-#2CU1000 V200 A

About Terminal Blocks - Power Distribution

What are Terminal Blocks - Power Distribution?

Terminal Blocks - Power Distribution

Terminal Blocks - Power Distribution are essential components in electrical systems, designed to connect, organize, and distribute electrical power efficiently. These devices serve as junction points where multiple wires can be connected, allowing for the safe and effective distribution of electrical power across various circuits. Operating on the principle of electrical conductivity, terminal blocks provide a secure and reliable connection between wires, ensuring that power is evenly distributed without loss or interruption. They are typically used in control panels, switchboards, and other electrical enclosures, where they help streamline wiring and reduce clutter, enhancing both safety and maintenance efficiency.

Types of Terminal Blocks - Power Distribution

1. Barrier Terminal Blocks

Barrier terminal blocks are characterized by their robust construction and the presence of insulating barriers between terminals. These barriers prevent short circuits and ensure safe operation in high-voltage applications. They are commonly used in industrial settings where safety and reliability are paramount.

2. DIN Rail Terminal Blocks

DIN rail terminal blocks are designed for easy installation on standard DIN rails, making them a popular choice for modular and scalable systems. They offer a compact design and are available in various configurations, including screw, spring, and push-in connections, catering to different wiring needs.

3. Feed-Through Terminal Blocks

Feed-through terminal blocks are used to connect wires in a straight line, allowing for seamless power distribution across multiple circuits. They are ideal for applications requiring a continuous flow of electricity, such as in power distribution panels and control systems.

4. Grounding Terminal Blocks

Grounding terminal blocks are specifically designed to provide a secure connection to the ground, ensuring safety and preventing electrical faults. They are essential in systems where grounding is critical, such as in telecommunications and data centers.

How to choose Terminal Blocks - Power Distribution?

When selecting terminal blocks for power distribution, several key parameters must be considered:

  • Current and Voltage Ratings: Ensure the terminal block can handle the maximum current and voltage of your application.
  • Connection Type: Choose between screw, spring, or push-in connections based on ease of installation and maintenance needs.
  • Material and Durability: Consider the material of the terminal block for durability and resistance to environmental factors such as temperature and humidity.
  • Size and Configuration: Select a size and configuration that fits your space constraints and wiring requirements.
  • Compliance and Standards: Verify that the terminal block complies with relevant industry standards and certifications.

Evaluating product quality and reliability involves researching supplier reputations, reviewing product specifications, and considering customer feedback. Environmental factors such as temperature, moisture, and exposure to chemicals should also be considered, as they can impact the performance and longevity of the terminal blocks. Proper installation is crucial, and it is recommended to follow manufacturer guidelines to ensure optimal performance and safety.

Applications of Terminal Blocks - Power Distribution

1. Industrial Automation

In industrial automation, terminal blocks are used to connect and distribute power to various control and monitoring devices. They ensure reliable power delivery to programmable logic controllers (PLCs), sensors, and actuators, facilitating seamless automation processes.

2. Renewable Energy Systems

Terminal blocks play a critical role in renewable energy systems, such as solar and wind power installations. They help manage the distribution of generated power to inverters and storage systems, ensuring efficient energy conversion and utilization.

3. Transportation and Automotive

In the transportation and automotive industries, terminal blocks are used in electrical systems for vehicles, trains, and aircraft. They provide secure connections for power distribution to lighting, control systems, and safety equipment.

4. Telecommunications

Telecommunications infrastructure relies on terminal blocks for distributing power to network equipment, such as routers and switches. They ensure uninterrupted power supply, which is crucial for maintaining communication networks.

5. Building and Construction

In building and construction, terminal blocks are used in electrical panels to distribute power to lighting, HVAC systems, and other building services. They help organize wiring and improve the safety and efficiency of electrical installations.