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Delta · Ultron NT

Delta Ultron NT three-phase UPS

The Delta Ultron NT is a transformer-based three-phase UPS rated 20 to 500 kVA.

Delta Ultron NT three-phase UPS
Phase
3PH
Models
14
Lifecycle
Current model

Delta Ultron NT: key facts

Delta lists the Ultron NT as a current range.

Sources, checked October 3, 2026: Delta, Ultron NT 20-500 kVA.

THREE PHASE POWER PATH3 PHASE INPUT480 V or 208 V feedRECTIFIERAC to DCDC BUSregulatedINVERTERDC to clean ACCRITICAL LOADracks, plant, imagingBATTERYon the DC busSTATIC BYPASSmaintenance and overload pathDouble conversion: the load stays on the inverter,so an outage produces no transfer gap.

How a three phase double conversion UPS carries the load, and where the bypass sits.

Ultron NT models

The orderable configurations we supply and service:

ModelRatingPhase / VoltagePart numberStatus
Delta Ultron NT-20K (20kVA)16 kW3ph 4-wire+PE in/out 380/400/415VNT-20KCurrent
Delta Ultron NT-30K (30kVA)24 kW3ph 4-wire+PE in/out 380/400/415VNT-30KCurrent
Delta Ultron NT-40K (40kVA)32 kW3ph 4-wire+PE in/out 380/400/415VNT-40KCurrent
Delta Ultron NT-50K (50kVA)40 kW3ph 4-wire+PE in/out 380/400/415VNT-50KCurrent
Delta Ultron NT-60K (60kVA)48 kW3ph 4-wire+PE in/out 380/400/415VNT-60KCurrent
Delta Ultron NT-80K (80kVA)64 kW3ph 4-wire+PE in/out 380/400/415VNT-80KCurrent
Delta Ultron NT-100K (100kVA)80 kW3ph 4-wire+PE in/out 380/400/415VNT-100KCurrent
Delta Ultron NT-120K (120kVA)96 kW3ph 4-wire+PE in/out 380/400/415VNT-120KCurrent
Delta Ultron NT-160K (160kVA)128 kW3ph 4-wire+PE in/out 380/400/415VNT-160KCurrent
Delta Ultron NT-200K (200kVA)160 kW3ph 4-wire+PE in/out 380/400/415VNT-200KCurrent
Delta Ultron NT-260K (260kVA)208 kW3ph 4-wire+PE in/out 380/400/415VNT-260KCurrent
Delta Ultron NT-320K (320kVA)256 kW3ph 4-wire+PE in/out 380/400/415VNT-320KCurrent
Delta Ultron NT-400K (400kVA)320 kW3ph 4-wire+PE in/out 380/400/415VNT-400KCurrent
Delta Ultron NT-500K (500kVA)400 kW3ph 4-wire+PE in/out 380/400/415VNT-500KCurrent

Specifications

Phase3ph 4-wire+PE in/out
Voltage380/400/415V
Models14
StatusCurrent

Batteries and battery cabinets for the Delta Ultron NT

Battery strings and cabinets depend on the configuration and runtime. Replacement batteries for the Delta Ultron NT are matched by block type and cabinet.

Delta Ultron NT service in Canada

We service the Delta Ultron NT across Canada: preventive maintenance, battery replacement and emergency repair, including units the manufacturer no longer supports. We are a Canadian UPS service and supply provider, working on three-phase systems since 2012.

Field service for this range is described under Delta three-phase UPS service.

Sizing, redundancy and custom builds

We engineer the solution: load and growth analysis, redundancy (N, N+1, 2N), runtime and battery sizing, paralleling and switchgear, and custom configurations where the standard catalogue doesn't fit. Because we supply every major brand, the Ultron NT is one option we weigh on its merits, not the only answer.

Common questions

What is the Delta Ultron NT?

The Delta Ultron NT is a transformer-based three-phase UPS rated 20 to 500 kVA.

Is the Delta Ultron NT discontinued?

No. Delta lists the Ultron NT as a current range.

Who services the Delta Ultron NT in Canada?

A Canadian UPS service and supply provider, in business since 2012, services the Delta Ultron NT across Canada: preventive maintenance, battery replacement and emergency repair, including discontinued units. Call 1 (438) 881-3363 or email info@threephaseups.ca.

Request a quote: Delta Ultron NT

Tell us the application and we reply within 4 business hours with the sizing, the right system, the installation and a written quote. Three-phase installs usually need a licensed electrician, so let us know if you have one.

Do you have your own electrician?
Yearly preventive maintenance?

Or email info@threephaseups.ca · 1 (438) 881-3363

Brand names are trademarks of their owners and are used only to identify the equipment we service. We are not the manufacturer and are not affiliated with it.