nVent AST4123R - Splitter Trough Type 1 3-wire 125 amps, 48x6x5, Gray, Steel
nVent

AST4123R

UPC: 783510136758


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Installation Instructions

Contact for Pricing

Overview

The nVent AST4123R Splitter Trough is a Type 1 3-wire splitter designed for 125-amp power distribution in industrial and commercial environments. This 4-foot trough (48x6x5 inches) features durable steel construction with a gray finish, providing protection against physical impact and environmental factors. Pre-installed terminal blocks streamline installation, eliminating the need for separate purchases and reducing on-site assembly time. The Type 1 enclosure rating ensures suitability for indoor use where protection against falling dirt is required. With a 125-amp capacity, this splitter trough is ideal for manufacturing plants, commercial buildings, data centers, industrial automation, and utility projects. The compact design allows versatile installation in control panels, machinery enclosures, and electrical infrastructure. Trusted by professionals for its reliability and ease of use, the AST4123R delivers efficient power distribution with long-term operational stability.
  • 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
110 A
Branch Lug Quantity
6
Branch Lug Wire Size
14 - 2 AWG
Branch Lug Wire Size
14-2
Color
Gray
Color Code
ANSI 61
Connection Type
Terminal blocks
Current Rating
125 A
Depth
4.5
Depth
114
Depth
13 IN
Finish
Powder Coated
Finish
Powder Coated;Steel/Gray
Height
48 in
Height
1,219 mm
Main Lug Amps CU
125 A
Main Lug Quantity
1
Main Lug Wire Size
14-1/0 kcmil
Material
Steel
Material
Mild Steel;Steel
Material
Mild Steel
Modification Services
Yes
NEMA Rating
1 Indoor, electrical protection
NEMA Rating
Type 1
Number Of Wires
3
Poles
3-wire
Protection Rating
NEMA Type 1
Series
AST
Size
48" Section in
Size
48x6x5
Size
48x6x5 inches
Thickness
14 ga
Thickness
51.40mm (2.024")
Thickness
1.9 mm
Type
Utility Cabinets
Type
Utility / Canadian Cabinets and Splitters
Type Number
Type 1
Weight
25 lb
Width
23 IN
Width
6
Width
152
Wire Quantity
3
Package Dimensions (L x W x H)
49.2 IN x 7 IN x 5 IN
Package Dimensions (L x W x H)
124.968 cm x 17.78 cm x 12.7 cm
Package Weight (Imperial)
25.000 L
Package Weight (Metric)
11.340 kg
Splitter Trough Type 1 4-wire 125 amps, 36x6x5, Gray, Steel

AST3124R

Splitter Trough Type 1 4-wire 125 amps, 36x6x5, Gray, Steel

How to Install the AST4123R Splitter Trough

This guide provides step-by-step instructions for installing and configuring the AST4123R Splitter Trough, ensuring proper wiring and setup.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the splitter trough

    Secure the AST4123R Splitter Trough to the designated mounting location using the provided mounting screws. Ensure 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 trough. Ensure that the wire is securely connected to the main terminal block.

  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.

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.