ABB - Installation Products K656I-H0270 - 25KV 600 Amp, Deadbreak, Separable Straight Joint Package (2-Way) with Test Point, Cable Insulation Diameter .850-1.050 inches, Aluminum Lug, Conductor Size 4/0 Stranded/Compressed AWG or 250 Solid/Compact kcmil. No Sealing kit.
ABB - Installation Products

K656I-H0270

UPC: 783786640225


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Overview

ABB Installation Products’ K656I-H0270 is a 25KV 600 Amp deadbreak separable straight joint package designed for reliable medium-voltage cable connections. This 2-way joint accommodates cable insulation diameters from 0.850 to 1.050 inches and supports conductor sizes of 4/0 stranded/compressed AWG or 250 solid/compact kcmil. The package includes a test point for safe voltage verification without cable disconnection, ensuring operational efficiency during maintenance or testing. Constructed with an aluminum lug for corrosion resistance and mechanical strength, this joint is optimized for underground distribution systems, industrial power networks, and utility substations where deadbreak operation is required. The deadbreak design allows for hot-stick operation, enabling safe connection and disconnection under load without power interruption. This product is part of ABB’s Installation Products line, known for compatibility with industry-standard separable connectors. Note: No sealing kit is included; ensure proper sealing materials are selected for environmental protection. For applications requiring additional environmental resistance, consult ABB’s accessory catalog for compatible sealing solutions.
  • Rated 25KV, 600 Amp deadbreak separable joint for medium-voltage applications
  • Supports cable insulation diameters: 0.850–1.050 inches
  • Compatible with 4/0 AWG stranded/compressed or 250 kcmil solid/compact conductors
  • Includes test point for safe voltage verification without cable disconnection
  • Aluminum lug construction for corrosion resistance and mechanical durability

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 Type
Deadbreak, Separable Straight Joint
Current Rating
600 A
Environmental Conditions
All Weather Conditions
Insulation
True
Length
37.27 in
Length
946.658 mm
Material
Housing - EPDM-Rubber
Material
Aluminum
Poles
2-Way
Series
K656I
Size
Cable Insulation Diameter 0.850-1.050 inches
Special Features
Fully Shielded, Fully Submersible, 100 percent Peroxide cured Molded EODM Rubber
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 Straight Joint
Voltage Rating
15 to 25 kV
Voltage Rating
25kV
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)
16.0000 L
Package Weight (Metric)
7.2580 kg
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Frequently Asked Questions

What is the momentary current rating?

The momentary current rating for both 15kV and 25kV voltage classes is 25kA Sym for 10 cycles.

What is the continuous current rating?

The continuous current rating for both 15kV and 25kV voltage classes is 600 Amps.

What are the operating voltage limits for 25kV class?

For the 25kV voltage class, the maximum phase-to-ground operating voltage is 16.2kV and maximum phase-to-phase is 28kV.

What are the operating voltage limits for 15kV class?

For the 15kV voltage class, the maximum phase-to-ground operating voltage is 8.3kV and maximum phase-to-phase is 14.4kV.

What is the momentary current rating?

The momentary current rating for both 15kV and 25kV voltage classes is 25kA Sym for 10 cycles.

What is the continuous current rating?

The continuous current rating for both 15kV and 25kV voltage classes is 600 Amps.

What are the operating voltage limits for 25kV class?

For the 25kV voltage class, the maximum phase-to-ground operating voltage is 16.2kV and maximum phase-to-phase is 28kV.

What are the operating voltage limits for 15kV class?

For the 15kV voltage class, the maximum phase-to-ground operating voltage is 8.3kV and maximum phase-to-phase is 14.4kV.

What are the operating voltage limits for 15kV class?

For the 15kV voltage class, the maximum phase-to-ground operating voltage is 8.3kV and maximum phase-to-phase is 14.4kV.

What are the operating voltage limits for 25kV class?

For the 25kV voltage class, the maximum phase-to-ground operating voltage is 16.2kV and maximum phase-to-phase is 28kV.

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.