ABB - Electrification Signature Partner Distributor
ABB - Electrification 9T21C3331 - ABB's QMS single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.
ABB - Electrification

9T21C3331

UPC: 783173012185


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Specification Sheet

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Overview

The ABB QMS single-phase transformer, identified by SKU 9T21C3331, is engineered for dependable power conversion, specifically tailored for outdoor and demanding environmental conditions. A key feature of this transformer is its encapsulated core and coils, which are fully enclosed within a robust NEMA 3R non-ventilated weatherproof enclosure. This design ensures comprehensive protection against the ingress of dust and moisture, safeguarding the internal components. The enclosure itself carries a dual rating of NEMA 12/3R, signifying its suitability for a broad spectrum of installation scenarios, from indoor industrial settings to outdoor applications. For streamlined and adaptable electrical connections, knockout holes are strategically positioned on both the back and bottom surfaces of the enclosure. These knockouts facilitate flexible conduit entry, simplifying the wiring process during installation. To ensure ease of mounting, dedicated mounting holes are incorporated on the side of the unit, allowing for straightforward attachment to walls or other surfaces. The internal wiring compartment is equipped with a ground stud, a critical component for establishing a secure and reliable electrical ground connection. This transformer is manufactured in the US, adhering to rigorous quality standards.
  • ABB QMS Series Single Phase Transformer
  • NEMA 3R Non-ventilated Weatherproof Enclosure
  • Encapsulated Core and Coils for Protection
  • Knockouts on Back and Bottom for Conduit Entry
  • Side Mounting Holes for Easy Installation

Specifications

Enclosure
NEMA 3R
Frequency Rating
60 HZ
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
60 Hz
Height
14.5 in
Input Voltage
277
Insulation
IS-12
Material
Encapsulated Core and Coils
Mounting Type
Wall/Surface mounting with side holes
Mounting Type
Side mounting with knockouts on back and bottom
NEMA Rating
NEMA 3R
Output Voltage
120/240
Phase
1
Poles
Single Phase
Series
QMS
Special Features
ABB's QMS single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.
Standard
Yes
Temperature Rating
40 °C
Temperature Rating, Maximum
104 F
Temperature Rating, Maximum
40 C
Temperature Rating, Minimum
104 F
Temperature Rating, Minimum
40 C
Wattage
5 KVA
Width
10.6 in
Package Dimensions (L x W x H)
11 IN x 10.62 IN x 14.5 IN
Package Dimensions (L x W x H)
27.94 cm x 26.9748 cm x 36.83 cm
Package Weight (Imperial)
111.000 L
Package Weight (Metric)
50.350 kg
ABB's QMS single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.

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ABB's QB single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.

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ABB's QB single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.
ABB's QMS single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.

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ABB's QMS single phase transformers feature encapsulated core and coils in a NEMA 3R nonventilated weatherproof enclosure. Knock outs provided on back and bottom. Mounting holes on side for easy access. Wiring compartment includes ground stud.

Frequently Asked Questions

What is the country of origin for this ABB transformer?

This ABB QMS single phase transformer is manufactured in the US.

What NEMA enclosure types are available for ABB QMS transformers?

ABB QMS transformers are available with NEMA 1, NEMA 12, and NEMA 3R enclosure types, offering protection suitable for various environmental conditions.

Can this transformer be mounted on a wall?

Yes, the ABB QMS transformer is designed with side-mounted holes for easy wall or surface mounting.

Does the ABB QMS transformer have knockouts for wiring?

Yes, the ABB QMS transformer features pilot device knockout holes on the back and bottom for flexible conduit entry.

Is there space for a control power transformer in the enclosure?

Some ABB QMS transformer enclosures offer space for a control power transformer, depending on the specific model and ordering code.

Frequently Asked Questions about ABB - Electrification

What industries and applications are Jokab Safety products used for?

Jokab Safety products are specifically designed for machine safety applications across multiple critical industrial sectors, including Food and Beverage, Packaging, and Material Handling industries. Their safety solutions cover a wide range of machine safeguarding needs, such as safety light guards, safety controllers, safety relays, safety edges, safety mats, and two-hand control devices that protect personnel and equipment in complex industrial automation environments.

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What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

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ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

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