nVent AST5404R - Splitter Trough Type 1 4-wire 400 amps, 60x10x6, Gray, Steel
nVent

AST5404R

UPC: 783510137045


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Installation Instructions

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Overview

The nVent AST5404R Splitter Trough (SKU: AST5404R) is a Type 1, 5-foot, 4-wire splitter designed for high-amperage power distribution up to 400 amps. Constructed from durable steel with a gray finish, it meets Type 1 indoor protection standards for solid foreign object resistance. Pre-installed terminal blocks accommodate 3- and 4-wire systems, simplifying installation and reducing labor costs. The 60x10x6-inch dimensions provide ample space for conductor management, ensuring a clean and compliant electrical layout. Ideal for industrial facilities, commercial buildings, data centers, and utility substations, this splitter trough centralizes conductor termination to minimize wiring complexity and errors. Its robust steel construction resists physical impact, while the neutral gray finish offers a professional aesthetic. Certified for indoor use, the AST5404R is engineered by nVent, a trusted leader in electrical enclosure solutions, to deliver reliable power distribution in demanding environments.
  • Various size knockouts on each side
  • Hinged covers
  • Mounting holes in back
  • Includes single-point ground lug
  • Ground Splitter (ground bar) accessory available
  • 16 or 14 gauge steel

Specifications

Application
Power Distribution
Branch Lug Amps CU
175 A
Branch Lug Quantity
Six total: (4) 6-4/0 and (2) 14-3/0
Branch Lug Quantity
6
Branch Lug Wire Size
6-4/0 AND 14-3/0
Branch Lug Wire Size
(4) 6 AWG - 4/0 AWG
Color
Gray
Color Code
ANSI 61
Depth
6
Depth
152
Depth
13 IN
Finish
Powder Coated;Steel/Gray
Finish
Powder Coated
Height
1,524 mm
Height
60 in
Main Lug Amps CU
400 A
Main Lug Quantity
2:1
Main Lug Quantity
1
Main Lug Wire Size
1/0-250MCM: 4-600MCM kcmil
Main Lug Wire Size
(1) 4 AWG - 600 MCM or (2) 1/0 AWG - 250 MCM
Material
Mild Steel;Steel
Material
Mild Steel
Modification Services
Yes
NEMA Rating
1 Indoor, electrical protection
Number Of Wires
4
Protection Rating
NEMA Type 1
Size
60" Section in
Thickness
1.9 mm
Thickness
14 ga
Thickness
51.40mm (2.024")
Type
Utility / Canadian Cabinets and Splitters
Type
Utility Cabinets
Type Number
Type 1
Weight
49 lb
Width
10
Width
254
Width
23 IN
Wire Quantity
4
Package Dimensions (L x W x H)
61 IN x 10.75 IN x 6.5 IN
Package Dimensions (L x W x H)
154.94 cm x 27.305 cm x 16.51 cm
Package Weight (Imperial)
49.000 L
Package Weight (Metric)
22.226 kg
Splitter Trough Type 1 3-wire 400 amps, 60x10x6, Gray, Steel

AST5403R

Splitter Trough Type 1 3-wire 400 amps, 60x10x6, Gray, Steel

How to Install the AST5404R Splitter Trough

This guide provides step-by-step instructions for installing the AST5404R Splitter Trough, including mounting, wiring, and initial configuration.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the splitter trough

    Secure the AST5404R Splitter Trough to the designated location using the provided mounting screws. Ensure that it is level and firmly attached.

  2. Connect the main wire feed

    Route the main wire feed through the appropriate knockout on the bottom or top of the splitter trough. Ensure that the right terminal block aligns with the main wire feed.

  3. Verify electrical clearances

    Before energizing any circuits, check all internal and external electrical and mechanical clearances to ensure that the assembled equipment functions safely and properly.

  4. Reposition terminal block if necessary

    If the right terminal block does not align with the main wire feed, rotate the block 180º and remount it in the correct position.

  5. Perform initial testing

    Use a multimeter to verify that all connections are secure and that there are no short circuits before powering on the system.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.