Allen Bradley 1321-3TW020-BB

Available To Order Now!-

k2 automation box

Part Specification

Brand / Manufacturer

Allen Bradley

Product type

Inverter Drives


Xfmr Iso 460V-Pri/460V-Sec 3-Phase Nema-3R

SKU 92391df0f557 Category

The 1321-3TW020-BB transformer is a 3-phase NEMA-3R rated transformer manufactured by Allen Bradley. It is designed to handle a primary voltage of 460V and a secondary voltage of 460V. The transformer is primarily used for isolation purposes in electrical systems.

Isolation transformers are crucial in preventing electrical shocks and reducing the risk of electrical fires. They work by physically separating the primary and secondary windings of the transformer, ensuring that there is no direct electrical connection between the two circuits. This eliminates the possibility of voltage spikes or transients from affecting the secondary circuit, making it safe for sensitive electronic equipment.

The 1321-3TW020-BB transformer is built in compliance with the NEMA-3R enclosure standard. This means that it is suitable for outdoor use, as it provides protection against dust, rain, and ice. The NEMA-3R enclosure also ensures that the transformer remains safe from external contaminants and debris, extending its lifespan and reliability.

Allen Bradley, a reputable manufacturer in the electrical industry, is known for producing high-quality transformers.

Read More +
warranty infographic

Full 12-month warranty

All parts new or reconditioned are covered by K2 Automation 12 month warranty

delivery infographic

Worldwide delivery

Non-stop Worldwide Shipping 24/7

shipping logos
return policy infographic

No hassle returns policy

No hassle returns policy. Dedicated customer support team

payment infographic

Secure Payment

We accept Bank transfers and the following methods of payment:

card payment logos

What Happens Next?



Thank you for contacting us. We can confirm now, that we have received your enquiry.


Account Manager

Your dedicated account manager will reach out to you to make sure to deliver exactly what you want.



We aim to provide you with a detailed quote as soon as possible.


supply infographic


Even when parts are obsolete, with our Global Network of Specialists and years of experience in supply chain procurement, we strive to offer you the best prices and the quickest and accurate lead time.

exchange infographic


When time is of the essence and a repair takes too long, more often than not an exchange offers a quick yet cost-effective option. We will send you a refurbished part in exchange for your repairable yet defective part at a discounted price.

repair infographic


We offer fixed prices on all repairs. Electronics are cleaned, repaired and tested in accordance with strict quality standards. NO FIX NO FEE

k2 automation box

Available To Order Now!-

We use cookies to improve your experience on our website. By browsing this website, you agree to our use of cookies.
0 items Cart