


Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
Keystone Technologies KTAT-250-480-277 is a non-isolated autotransformer that steps down 480 VAC to 277 VAC for single-phase lighting applications. It is rated 250 W and 0.9 A at 60 Hz and features a compact enclosure (9.49 in L x 1.7 in W x 1.2 in H). The unit is thermally protected with a 105 degree C class A insulation rating and low no-load power consumption (<7 W).
480 VAC to 277 VAC step-down autotransformer, 250 W, thermally protected, compact footprint
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!
