nVent A800CTNBA - CT Neutral Assembly, 800A, Bulletin A90CT (Current transformer - Current Transformer Screw Cover Enclosures), Material: Aluminum, Finish:
nVent

A800CTNBA

UPC: 783510141516

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Overview

The nVent A800CTNBA is a high-capacity Current Transformer (CT) Neutral Assembly designed for precise current measurement and protection in demanding electrical distribution systems. Part of the nVent Bulletin A90CT series, this 800A assembly features durable aluminum construction with ANSI 12.11-compliant spacing for bar-type CTs, ensuring compatibility with a wide range of current transformers. The unit supports flexible conductor connections via mechanical lugs or 1/2-in. studs on 1-3/4-in. centers, accommodating both line and load configurations. With a 50 kAIC rating and 600VAC maximum voltage, it meets UL 414, UL 50/50E, and cUL Type 3R standards, providing Type 3R protection for window-type CTs. The assembly includes a neutral bar with 10-32 tap screw, ground lug, and prepunched mounting holes for simplified installation. The A800CTNBA is engineered for utility substations, industrial facilities, and commercial buildings, delivering reliable performance in harsh environments where corrosion resistance and structural integrity are critical. Its galvanized steel base and ANSI 61 gray powder-coated finish ensure long-term durability. The neutral assembly is designed to handle high fault currents while maintaining accurate current sensing, making it suitable for applications requiring precise monitoring and protection. The unit's construction adheres to industry standards, ensuring compliance with safety and performance requirements. The prepunched mounting holes allow for quick and secure installation, reducing setup time and labor costs. The neutral bar with 10-32 tap screw provides a reliable point for grounding and neutral connections, while the ground lug ensures proper bonding for safety. The assembly's design supports both indoor and outdoor installations, offering versatility for various electrical distribution needs.
  • 800A current rating with 50 kAIC and 600VAC maximum
  • Aluminum construction with ANSI 61 gray powder-coated finish
  • ANSI 12.11-compliant spacing for bar-type CTs
  • Flexible conductor connections: mechanical lugs or 1/2-in. studs on 1-3/4-in. centers
  • UL 414, UL 50/50E, and cUL Type 3R listed for Type 3R protection

Specifications

Current Rating
800A
Material
Aluminum
Series
A90CT
Package Dimensions (L x W x H)
13 IN x 9.75 IN x 2 IN
Package Dimensions (L x W x H)
33.02 cm x 24.765 cm x 5.08 cm
Package Weight (Imperial)
5.520 L
Package Weight (Metric)
2.504 kg
CT Cabinet with Lugs 3-Phase 400-1200 Amp Type 3R, 32x32x15, Polished, Alum

A323215NESCT

CT Cabinet with Lugs 3-Phase 400-1200 Amp Type 3R, 32x32x15, Polished, Alum
Aluminum Transformer Spade Adapter, Bolt 1/2 inch, Eight Hole Pad, .562 inch Diameter holes. Two Rows of 4 Holes. 1.75 inch centers. 10 inch x 4 inch x .5 inch thick. NEMA Pad arrangement at each end of Bar - First Hole Center at .625 inch.

TSC 7805

Aluminum Transformer Spade Adapter, Bolt 1/2 inch, Eight Hole Pad, .562 inch Diameter holes. Two Rows of 4 Holes. 1.75 inch centers. 10 inch x 4 inch x .5 inch thick. NEMA Pad arrangement at each end of Bar - First Hole Center at .625 inch.

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.