Delta Electronics NH Plus Series User Manual

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Introduction
1-1
1. Introduction
DELTA NH Plus Series UPS is designed for large-scale power systems applied in data
center, communication, networking, medical, safety and emergency systems and all
factory facilities.
With innovative PFC design and IGBT architecture, the NH Plus Series features high
efficiency, low iTHD, low noise and high reliability.
The NH Plus Series has a modular structure and hot-swappable function to easily perform
maintenance and reduce the MTTR (Mean Time to Repair).
1-1 Advanced Features
 Power Rating: 20/40/60/80/100/120 KVA.
 Up to 6 modules work in parallel in the single cabinet.
 N+X parallel redundancy and expansion (Up to 4 units).
No need any extra parallel control card.
 High input power factor(pf > 0.99) and low input current
(THD: < 3%) for installation cost savings and utility pollution reduction.
 Overall high efficiency > 94% with modular
structure and hot-swappable function for
operation cost savings.
 Dual input – separated rectifier and bypass
input.
 Built-in manual and static bypass switch for
maintenance.
 Built-in SRAM, record up to 500 real-time
event logs.
 Redundant auxiliary power and control circuit.
Double insurance of performing reliability.
 Scheduled battery test and battery
replacement warning.
 Local and remote emergency power off
function (LEPO and REPO).
 Compatible with generator design.
 Double conversion and IGBT technology.
 Multi-interface monitoring and controlling.
 User-friendly LCD display and LED indicators.
 External battery pack available to extend the
backup time.

Delta Electronics NH Plus Series Specifications

General

Brand	Delta Electronics
Model	NH Plus Series
Category	UPS
Language	English