Krykard EHT 31-20 Series UPS System With Inbuilt Galvanic Isolation Transformer 20 KVA 192Vdc

Product Description

• Features

• Wide input voltage range (190 ~ 499 Vac)

• Linear load derating for input voltages under 305 V to reduce battery usage

• Settable delayed start & Rectifier soft star function

• Static bypass mode for Auto switch over during UPS fault

• Frequency range (40 ~ 70 Hz)

• Multiple Functions settable

• Battery compatibility

• Flexible battery configuration

• Strong mixed load capacity & high over load capacity

• Online Double conversion with Advanced dual-core

• DSP control with 3-level topology

• Remote monitoring through SNMP

• Standard Emergency Power off (EPO)

• Advanced Battery Management

• Advanced Digital Parallel architecture

• Fan speed varies intelligently with temperature

• Complete Protection for connected equipment

• Advantages

• Maximizes Mains Mode function, reduces Battery usage, extends Battery life

• Prevents Generator Overload due to starting inrush current

• Seamless transfer, uninterrupted uptime

• 50 / 60 Hz Compatible & 60 / 50 Hz frequency conversion

• Eco Mode, Frequency conversion mode, Output Voltage User selectable 208 / 220 / 230 / 240V

• VRLA / Li-ion Battery compatible

• Settable 16 - 20 batteries

• Ensures seamless operation across diverse applications

• Faster and more precise control (±1% regulation), ensuring stable output power under varying load conditions with better efficiency

• Allows to monitor and respond to issues quickly

• Safety during faults

• Improves Battery health offering predictable Power Back up

• Enhances battery life time and also alert for Battery end of life

• Upto 4 units parallel capacity for redundancy & load expansion

• Enhanced service life

• Protection against Short-circuit, Overload, Over Temperature, Over Voltage, Under Voltage, Fan Failure, Battery Low Voltage

• Benefits

• High Uptime / Availability

• High Flexibility

• High Reliability

• Low Total Cost oF Ownership (TCO)

• Note:*Actual product image may vary from that shown on the picture

Product Specification

Brand	Krykard
Product Type	UPS
Product Series	EHT 31-20
Rated Capacity	20 kVA / 20 kW
Input
Input Wiring	Three-phase five-wire (3Φ / 1Φ + N + PE)
Rated Voltage	380 / 400 / 415 Vac
Voltage Range	190 ~ 305 Vac (linear derating between 50% and 100% load), 305 Vac ~ 499 Vac (no derating)
Rated Frequency	50 / 60 Hz (auto-sensing)
Frequency Range	40 ~ 70 Hz
Power Factor	≥ 0.99
Bypass Voltage Range	-40% ~ +15% (settable)
Total Harmonic Distortion (THDi)	≤ 5%
Output
Output Wiring	Single-phase three-wire (1Φ + N + PE)
Rated Voltage	208 (PF=0.9) / 220 / 230 / 240 Vac
Voltage Regulation	±1%
Frequency	Synchronized to bypass in mains mode; 50 / 60Hz ± 0.1Hz in Battery mode
Waveform	Sinusoidal
Power Factor	1
Total Harmonic Distortion (THDv)	≤ 1% (linear load); ≤ 3% (non-linear load)
Crest Factor	3:1
Overload	105% ~ 110% for 10 min, 110% ~ 125% for 1 min, 126% ~ 150% for 30 s
Batteries
DC Voltage	192 Vdc (192 ~ 240 Vdc settable)
No Of Batteries	16 pcs (16 ~ 20 selectable)
Charging Current (Maximum)	5 A (default), 1 ~ 5 A selectable; 10 A (optional)
Recharge Time	8 hrs depends on capacity of battery
System
Efficiency	≥ 94% at 100% load, max. 95% at 60% load, ≥ 98% in Eco mode
Protections	Short-circuit, Over load, Over temperature, Battery low voltage, Over voltage, Under voltage & Fan Failure
Maximum No Of Parallel Connections	4
Communications	Standard configuration: RS 232; Optional configuration: SNMP, RS 485, dry contacts, Battery Temperature compensation
Display	LCD + LED
Others
Operating Temperature	0° C ~ 40° C
Storage Temperature	-25° C ~ 55° C (without battery)
Relative Humidity	0% ~ 95% (non-condensing)
Altitude	≤ 1000 m; derating 1% for each additional 100 m
IP Rating	IP 20
Noise Level At 1m	≤ 58 dB
Dimension (W x D x H)	191 x 495 x 515 mm
Net Weight	26.5 kg
Warranty	As Per Manufacturer Terms and Condition