ABB - Installation Products K656CH-H0270-S - 600 Amp, 15/25 kV, Separable H Joint package 4-Way with Test Point, Cable Insulation Diameter 0.850 inch to 1.050 inch. Aluminum Compression Lug. Conductor Size AWG Compressed Stranded 4/0 /Solid 250 /mmSquared 126.67. Cold-Shrinkable Jacket Seal Included.
ABB - Installation Products

K656CH-H0270-S

UPC: 783786426027


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Overview

The ABB K656CH-H0270-S is a 600 Amp, 15/25 kV separable H joint designed for medium-voltage cable systems. This 4-way joint package includes a test point for safe voltage verification and a cold-shrinkable jacket seal for reliable insulation. The unit accommodates cable insulation diameters from 0.850 inch to 1.050 inch and supports conductor sizes ranging from AWG 4/0 compressed stranded to solid 250 mm² (126.67 mm² equivalent). The aluminum compression lugs ensure secure, low-resistance connections, meeting industrial standards for durability and performance. This joint is ideal for underground distribution systems, substations, and industrial power networks where multi-way cable branching is required. The separable design allows for quick installation and maintenance without disrupting adjacent circuits. The included test point enables safe diagnostic testing under load, reducing downtime during commissioning or fault detection. Compatible with industry-standard medium-voltage cables, this package simplifies complex cable configurations while maintaining compliance with electrical safety regulations.
  • 600 Amp rated for medium-voltage applications (15/25 kV)
  • 4-way separable H joint with integrated test point for safe voltage verification
  • Cold-shrinkable jacket seal for reliable insulation and environmental protection
  • Accommodates cable insulation diameters from 0.850 inch to 1.050 inch
  • Aluminum compression lugs for secure, low-resistance connections

Specifications

Amperage Rating
600 A
Application
Compact Design is suitable for small vaults and manholes
Color
Black
Conductor Range
4/0 STR/COMPR AWG , 250 kcmil
Connection
Compression
Environmental Conditions
All Weather Conditions
Insulation
True
Length
37.27 in
Length
946.658 mm
Material
Housing - EPDM-Rubber
Special Features
Fully Shielded, Fully Submersible, 100 Percent Peroxide Cured EPDM Molded Rubber. Includes Integral Capacitive Test Point. Reusable Components Reduce Inventory and other Costs
Standard
ANSI/IEEE Standard 386
Temperature Rating, Maximum
149 F
Temperature Rating, Maximum
65 C
Temperature Rating, Minimum
-40 F
Temperature Rating, Minimum
-40 C
Type
Deadbreak Separable H-Joint Assembly
Voltage Rating
15 to 25 kV
Width
8.12 in
Width
206.248 mm
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
30.0000 L
Package Weight (Metric)
13.6080 kg
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Frequently Asked Questions

What is the corona extinction voltage for the 25kV class?

For the 25kV voltage class, the corona extinction voltage is 21kV AC at 3pC sensitivity.

What are the voltage ratings for the 15kV class?

For the 15kV class, the maximum phase-to-ground operating voltage is 8.3kV, and the maximum phase-to-phase is 14.4kV. It has a 95kV BIL impulse withstand.

What are the voltage ratings for the 25kV class?

For the 25kV class, the maximum phase-to-ground operating voltage is 16.2kV, and the maximum phase-to-phase is 28kV. It has a 140kV BIL impulse withstand.

What is the continuous current rating of the joint?

The K656CH separable "H" joint has a continuous current rating of 600 Amps for both 15kV and 25kV voltage classes.

What is the momentary current rating of the joint?

The momentary current rating for the K656CH separable "H" joint is 25kA Symmetrical for 10 Cycles for both 15kV and 25kV classes.

What standards does the K656CH joint meet?

The K656CH separable "H" joint meets ANSI/IEEE Standard 386, Latest Revision.

Does the K656CH joint include a test point?

Yes, the K656CH separable "H" joint includes an integral capacitive test point as a standard feature.

Can the K656CH joint be used in direct-buried applications?

Yes, the K656CH separable "H" joint can be used in direct-buried applications.

What components are included in a complete joint package?

A complete joint package includes an insulated bus bar, straight receptacle housing, retaining rings, cable size adapters, lugs, bolts, and washers.

What is the corona extinction voltage for the 15kV class?

For the 15kV voltage class, the corona extinction voltage is 11kV AC at 3pC sensitivity.

Frequently Asked Questions about ABB - Installation Products

What technical support does ABB - Installation Products offer?

ABB - Installation Products offers comprehensive technical support through a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services include emergency services, on-site support, remote diagnostics, installation assistance, equipment assessments, and repair coordination. Customers can also access technical resources via email at [email protected].

What are the main product lines offered by ABB - Installation Products?

ABB - Installation Products offers a comprehensive range of electrical distribution and protection solutions, including panelboards like ReliaGear® and ProLine, circuit monitoring systems, softstarters, and modular bus bar systems. Key product lines cover low voltage applications with specialized offerings such as the SMISSLINE TP flexible power distribution bus system, Ekip UP protection and metering relays, and enclosed/open softstarters for industrial and commercial sectors.

What are the key features of ABB - Installation Products products?

ABB - Installation Products feature advanced, user-friendly design elements optimized for industrial applications. Key features include 2-in-1 Push-in Spring connection technology allowing ferruled and rigid cable connections, tool-free mounting, robust vibration and shock-proof design, and front-accessible terminals. The products deliver high connection capacities up to 18.5 kW, support motor starting solutions, provide short-circuit fuseless protection to 100 kA, and enable faster, more intuitive installation with one-hand mounting and automated wiring capabilities.

What environmental ratings do ABB - Installation Products products have?

ABB - Installation Products offer robust environmental ratings across multiple standards, including IP54 to IP66 protection levels and NEMA Type 1 to Type 4X enclosures. These ratings ensure superior protection against dust, water, and corrosion for both indoor and outdoor industrial applications, with certifications that meet stringent environmental performance requirements.

What accessories are available for ABB - Installation Products products?

ABB - Installation Products offers a comprehensive range of accessories designed to enhance functionality and connectivity across industrial control systems. Key accessories include auxiliary contact blocks, signaling contacts, shunt trips, undervoltage releases, electronic timers, interlocks, interface relays, terminal blocks, and connection accessories. These accessories are compatible with SMISSLINE TP plug-in distribution systems and Unifix AD busbar systems, allowing for easy installation and configuration of manual motor starters, circuit breakers, and other electrical components.

What is ABB - Installation Products's warranty policy?

ABB - Installation Products offers a standard 1-year factory warranty for most installation products, with options to extend warranty coverage up to 5 years for specific product lines like low voltage circuit breakers. Extended warranty requires online registration through ABB's Extended Warranty Tool, which verifies product application and provides additional coverage for manufacturing defects and factory-mounted accessories.

What industries and applications are ABB - Installation Products products used for?

ABB - Installation Products serve critical electrical infrastructure needs across diverse industries including Energy, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their products cover essential applications such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems, engineered for high-reliability environments with a strong emphasis on safety, efficiency, and sustainability.

What communication protocols do ABB - Installation Products products support?

ABB - Installation Products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with high-speed data transmission capabilities up to 100 Mbps and support for various network topologies.

How are ABB - Installation Products products typically installed?

ABB - Installation Products are installed through a professional, systematic process emphasizing fast, intuitive wiring and tool-free mounting. Typical installation involves precise equipment verification, secure electrical connections, and comprehensive testing, including foundation frame assessment, busbar and cable connections, earthing system establishment, and thorough pre-commissioning functional tests to ensure optimal performance and reliability.

What certifications and standards do ABB - Installation Products products comply with?

ABB - Installation Products products meet rigorous international certifications including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products comply with critical standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, ensuring high performance and reliability across industrial installation applications.