nVent CTMB8001 - CT Mounting Base 1-Phase Studs, 400-800 Amp, Unpainted, Steel
nVent

CTMB8001

UPC: 783510144364

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Installation Instructions

Contact for Pricing

Overview

The nVent CTMB8001 is a robust 1-phase current transformer (CT) mounting base designed for demanding industrial applications. Engineered by nVent, a trusted leader in electrical enclosures and connectivity solutions, this mounting base (SKU: CTMB8001) ensures secure and reliable termination for your CT cabinets. It is specifically designed to accommodate the preference differences between line and load connections, offering flexibility in installation. This model features 1/2-inch studs on 1-3/4-inch centers, providing a standardized and efficient connection method for various conductor types. The base itself is constructed from 12-gauge galvanized steel, forming an electrically isolated mount and termination platform. This construction not only ensures durability and resistance to environmental factors but also enhances safety by preventing unintended electrical contact. The nVent CTMB8001 is built to meet stringent industry standards, including UL 414 listing (File E240312), assuring users of its quality and performance. It is rated for an impressive 50,000 A.I.C. and supports an ampacity range of 400-800 Amps at a maximum of 600 VAC. This makes it suitable for a wide array of single-phase, three-wire (1Ø3W) power distribution systems. Key features of the CTMB8001 include: * **Conductor Provisions:** Equipped with 1/2-inch studs on 1-3/4-inch centers, complete with nuts, springs, and flat washers for secure connections. * **Neutral Bar:** Includes a neutral bar with a 10-32 tap screw for additional termination points. * **Construction:** A 12-gauge galvanized formed base provides a sturdy and electrically isolated platform. * **Compatibility:** Designed for bar-type current transformers conforming to ANSI C12.11 standards. * **Pre-punched Holes:** Features prepunched mounting holes that align directly with studs in CT cabinets, simplifying installation. This CT mounting base is an essential component for electrical contractors, system integrators, and maintenance professionals working with metering and protection equipment. Its thoughtful design, combined with nVent's commitment to quality, makes the CTMB8001 a reliable choice for ensuring the integrity and safety of your electrical infrastructure. Whether for new installations or upgrades, this mounting base offers a dependable solution for managing current transformers in commercial and industrial settings.
  • Spacing for bar-type current transformer that conforms to ANSI 12.11
  • Conductor provisions: either mechanical lugs or 1/2-in. bolt on 1-3/4-in. centers with nut, spring and flat washer
  • Neutral bar with 10-32 tap screw
  • 12-gauge galvanized formed base has electrically isolated mount/termination platform
  • UL 414 Listed; File E240312

Specifications

AIC (Ampere Interrupting Capacity) Rating
50,000 A
Ampacity
400-800 A
Application
Controls and Drives; Power Distribution
Color
Unpainted
Connection
Studs
Connection Type
Studs
CT Provision Quantity
2
Current
400-800 A
Finish
Galvanized
Material
Steel
Material
Mild Steel
Max Voltage AC
600 V
Modification Services
Yes
Service Type
1Ø3W
Service Type
1Ø3W
Type
General Accessories
Type
Commercial Accessories
Weight
25 lb
Works With
NEMA
Package Dimensions (L x W x H)
25.5 IN x 21 IN x 10 IN
Package Dimensions (L x W x H)
64.77 cm x 53.34 cm x 25.4 cm
Package Weight (Imperial)
25.000 L
Package Weight (Metric)
11.340 kg
CT Mounting Base 3-Phase Studs, 400-800 Amp, Unpainted, Steel

CTMB8003

CT Mounting Base 3-Phase Studs, 400-800 Amp, Unpainted, Steel

How to Install the CTMB8001 Current Transformer Base

This guide provides step-by-step instructions for installing and configuring the CTMB8001 Current Transformer Base.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the CTMB8001

    Secure the CTMB8001 Current Transformer Base to the designated enclosure using the provided mounting screws. Ensure it is level and firmly attached.

  2. Connect the wiring

    Use wire strippers to prepare the wires and connect them to the appropriate terminals on the CTMB8001. Ensure that the connections are tight and secure to prevent any electrical faults.

  3. Verify the installation

    Use a multimeter to check the connections for continuity and proper voltage levels. Ensure that all connections are correct and that there are no short circuits.

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.