Active connection

Active Connection Components – Technical Overview and Global Supply

Active connection components, commonly referred to as active electrical interfaces or power distribution blocks with integrated switching, are essential devices in industrial automation and electrical distribution systems. These components typically feature multiple poles (e.g., ...

Active Connection Components – Technical Overview and Global Supply

Active connection components, commonly referred to as active electrical interfaces or power distribution blocks with integrated switching, are essential devices in industrial automation and electrical distribution systems. These components typically feature multiple poles (e.g., 3P, 4P), rated currents from 16A to 630A, and operating voltages up to 690V AC. They include integrated protection functions such as overcurrent and short-circuit protection, with breaking capacities up to 50kA. Mounting options include DIN rail, panel, or busbar systems, and they often come with auxiliary contacts, shunt trips, and undervoltage releases for enhanced control. In different regions, they are known as active connectors, power tap-offs, or distribution blocks with switching capability.

These components are widely deployed in industrial control panels, motor control centers (MCCs), power distribution units (PDUs), and building automation systems. They are critical in sectors like manufacturing, energy, water treatment, and data centers, where reliable power distribution and protection are paramount. Their design ensures safe isolation and load management in harsh environments, with IP ratings from IP20 to IP65 depending on the enclosure.

Key subcategories include active distribution blocks, power tap-off units, and integrated switch-disconnectors. Main article codes often follow a pattern like "ACT-3P-63A" or "ER04-4P-250A", indicating pole count and rated current. For example, the ER04 series includes models like ER04-3P-100A and ER04-4P-400A, designed for high-current applications. These codes are standardized for easy identification and ordering.

Electric Automation Network offers these active connection components with up to 65% discount, real-time pricing, and express worldwide shipping. Our team of specialized electrical engineers provides personalized technical support, including documentation, selection assistance, and application advice. We ensure fast delivery to any global destination, backed by our multilingual portal for seamless procurement.

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Manufacturer Code Reference Catalog Number Description Delivery Price

1SNA205491R2300

1SNA205491R2300

1SNA205491R2300

PCMS-2 - Comb jumper

PCMS-2 connection comb gray

3 View Availability View Price

1SNA205492R2400

1SNA205492R2400

1SNA205492R2400

PCMS-2-RD - Comb jumper

PCMS-2-RD red connection comb

3 View Availability View Price

1SNA205493R2500

1SNA205493R2500

1SNA205493R2500

PCMS-2-BL - Comb jumper

PCMS-2-BL connection comb blue

3 View Availability View Price

1SNA205495R2700

1SNA205495R2700

1SNA205495R2700

PCMS-3 - Comb jumper

PCMS-3 connection comb grey

3 View Availability View Price

1SNA205499R0300

1SNA205499R0300

1SNA205499R0300

PCMS-4 - Comb jumper

PCMS-4 connection comb gray

3 View Availability View Price

1SNA205500R1000

1SNA205500R1000

1SNA205500R1000

PCMS-4-RD - Comb jumper

PCMS-4-RD red connection comb

3 View Availability View Price

1SNA205501R0500

1SNA205501R0500

1SNA205501R0500

PCMS-4-BL - Comb jumper

PCMS-4-BL connection comb blue

3 View Availability View Price

1SNA205503R0700

1SNA205503R0700

1SNA205503R0700

PCMS-5 - Comb jumper

PCMS-5 connection comb gray

3 View Availability View Price

1SNA205504R0000

1SNA205504R0000

1SNA205504R0000

PCMS-5-RD - Comb jumper

PCMS-5-RD red connection comb

3 View Availability View Price

1SNA205505R0100

1SNA205505R0100

1SNA205505R0100

PCMS-5-BL - Comb jumper

PCMS-5-BL connection comb blue

3 View Availability View Price

1SNA205507R0300

1SNA205507R0300

1SNA205507R0300

PCMS-6 - Comb jumper

PCMS-6 connection comb gray

3 View Availability View Price

1SNA205508R1400

1SNA205508R1400

1SNA205508R1400

PCMS-6-RD - Comb jumper

PCMS-6-RD red connection comb

3 View Availability View Price

1SNA205509R1500

1SNA205509R1500

1SNA205509R1500

PCMS-6-BL - Comb jumper

PCMS-6-BL connection comb blue

3 View Availability View Price

1SNA205511R2600

1SNA205511R2600

1SNA205511R2600

PCMS-7 - Comb jumper

PCMS-7 connection comb grey

3 View Availability View Price

1SNA205515R2200

1SNA205515R2200

1SNA205515R2200

PCMS-8 - Comb jumper

PCMS-8 connection comb gray

3 View Availability View Price

1SNA205519R0600

1SNA205519R0600

1SNA205519R0600

PCMS-9 - Comb jumper

PCMS-9 connection comb gray

3 View Availability View Price

1SNA205523R2200

1SNA205523R2200

1SNA205523R2200

PCMS-10 - Comb jumper

PCMS-10 connection comb gray

3 View Availability View Price

1SNA205524R2300

1SNA205524R2300

1SNA205524R2300

PCMS-10-RD - Comb jumper

PCMS-10-RD red connection comb

3 View Availability View Price

1SNA205525R2400

1SNA205525R2400

1SNA205525R2400

PCMS-10-BL - Comb jumper

PCMS-10-BL blue connection comb

3 View Availability View Price

1SNA205526R2500

1SNA205526R2500

1SNA205526R2500

PCMS-10-PE - Comb jumper

PCMS-10-PE connection comb yellow/green

3 View Availability View Price

1SNA205527R2600

1SNA205527R2600

1SNA205527R2600

PCMS-11 - Comb jumper

PCMS-11 connection comb gray

3 View Availability View Price

1SNA205531R2200

1SNA205531R2200

1SNA205531R2200

PCMS-12 - Comb jumper

PCMS-12 connection comb gray

3 View Availability View Price

1SNA205532R2300

1SNA205532R2300

1SNA205532R2300

PCMS-12-RD - Comb jumper

PCMS-12-RD red connection comb

3 View Availability View Price

1SNA205533R2400

1SNA205533R2400

1SNA205533R2400

PCMS-12-BL - Comb jumper

PCMS-12-BL connection comb blue

3 View Availability View Price

1SNA205535R2600

1SNA205535R2600

1SNA205535R2600

PCMS-13 - Comb jumper

PCMS-13 connection comb gray

3 View Availability View Price

1SNA205539R0200

1SNA205539R0200

1SNA205539R0200

PCMS-14 - Comb jumper

PCMS-14 connection comb gray

3 View Availability View Price

1SNA205543R0600

1SNA205543R0600

1SNA205543R0600

PCMS-15 - Comb jumper

PCMS-15 connection comb gray

3 View Availability View Price

1SNA205547R0200

1SNA205547R0200

1SNA205547R0200

PCMS-16 - Comb jumper

PCMS-16 connection comb gray

3 View Availability View Price

1SNA205548R1300

1SNA205548R1300

1SNA205548R1300

PCMS-16-RD - Comb jumper

PCMS-16-RD red connection comb

3 View Availability View Price

1SNA205549R1400

1SNA205549R1400

1SNA205549R1400

PCMS-16-BL - Comb jumper

PCMS-16-BL connection comb blue

3 View Availability View Price

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