nVent AST4603R - Splitter Trough Type 1 3-wire 600 amps, 48x11x7, Gray, Steel
nVent

AST4603R

UPC: 783510136864


Documents & Media
Installation Instructions

Contact for Pricing

Overview

The nVent AST4603R Splitter Trough Type 1 is designed for reliable power distribution, splitting feeder circuit conductors into multiple branch circuits. This unit is rated for 600 amps and supports 3-wire configurations. Constructed from durable gray steel, its dimensions are 48x11x7 inches, offering a robust enclosure for industrial and commercial applications. The Type 1 design ensures a standardized solution for power splitting, reducing installation complexity. It integrates pre-installed terminal blocks, simplifying wiring and ensuring secure connections. The AST4603R is suitable for applications in manufacturing plants, data centers, commercial buildings, and institutional facilities where efficient and compliant power distribution is essential. Its steel construction provides protection against physical damage and environmental factors. Manufactured by nVent, a leader in electrical management solutions, this splitter trough prioritizes performance, compliance, and ease of use for electrical professionals.
  • 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
6
Branch Lug Quantity
Six total: (4) 6-4/0 and (2) 14-3/0
Branch Lug Wire Size
(4) 6 AWG - 4/0 AWG
Branch Lug Wire Size
6-4/0 AND 14-3/0
Color
Gray
Color Code
ANSI 61
Depth
13 IN
Depth
6.5
Depth
165
Finish
Powder Coated
Finish
Powder Coated;Steel/Gray
Height
48 in
Height
1,219 mm
Main Lug Amps CU
600 A
Main Lug Quantity
4:2
Main Lug Quantity
2
Main Lug Wire Size
1/0-250MCM: 4-600MCM kcmil
Main Lug Wire Size
(2) 4 AWG - 600 MCM or (4) 1/0 AWG - 250 MCM
Material
Mild Steel
Material
Mild Steel;Steel
Modification Services
Yes
NEMA Rating
1 Indoor, electrical protection
Number Of Wires
3
Protection Rating
NEMA Type 1
Size
48" Section in
Thickness
51.40mm (2.024")
Thickness
1.9 mm
Thickness
14 ga
Type
Utility Cabinets
Type
Utility / Canadian Cabinets and Splitters
Type Number
Type 1
Weight
44 lb
Width
11
Width
279
Width
23 IN
Wire Quantity
3
Package Dimensions (L x W x H)
49.5 IN x 12 IN x 7.5 IN
Package Dimensions (L x W x H)
125.73 cm x 30.48 cm x 19.05 cm
Package Weight (Imperial)
44.000 L
Package Weight (Metric)
19.958 kg
Splitter Trough Type 1 4-wire 400 amps, 48x11x7, Gray, Steel

AST4604R

Splitter Trough Type 1 4-wire 400 amps, 48x11x7, Gray, Steel

How to Install the AST4603R Splitter Trough

This guide provides step-by-step instructions for installing the AST4603R Splitter Trough, including mounting, wiring, and initial setup.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the splitter trough

    Secure the AST4603R Splitter Trough to the designated location using the provided mounting screws. Ensure it is level and firmly attached.

  2. Connect the main wire feed

    Feed the main wire through the appropriate knockout on the right side of the splitter trough. Ensure that the wire is properly aligned with the terminal block.

  3. Verify electrical connections

    Use a multimeter to check all electrical connections for continuity and proper voltage levels before energizing the system. Ensure all safety clearances are verified.

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.