Products infomation
 
 
Surge Cut Transformer
 

Rackable Lightning Resistant Transformer

TMR series
 
Supprut 19-inch size racks
(meets both JIS and EIA standards)

Feature
It can decrease a primary lightning surge less than
1/1000 (-60dB)
Performance of lightning impulse withstand voltage
This is a transformer of low voltage class, and able to
endured 30kV lightning impulse voltage between primary
winding and earth.


Compact Size



Usege
"SURGE CUT TRANSFORMER" is used in chiefly the following places.
Power supply transformer of microwave, telemeter in the top of the mountain and the wide plain.
Power supply transformer of electric light indicator in high way.
Power supply transformer of computer equipments.
Power supply transformer of robots and equipments of automatic control machine and system...etc.

Main Specifications

Phases
1
Frequency
50 or 60 Hz
Rated capacity
0.5kVA
1kVA
2kVA
3kVA
Models TRM-050
TRM-050
TRM-100
TRM-200
TRM300
Unit size
2U (2J)
3U (3J)
Primary voltage
200 (100) V (serial parallel conversion)
Secondary voltage
200 (100) V (serial parallel conversion)
Rating
Continuous
Max. temp. increase
75K
Voltage fluctuation
5% or less
4% or less
3% or less
Efficiency
93%
94%
95%
96%
Inrush current factor
15x
Dielectric strength
Between input and output/ground
10 kV AC (1 min.)

Between output and ground
3 kV AC (1 min.)
Lightning impulse withstand voltage
Between input and output/ground
30 kV AC (1.2/50 micros)
Between output and ground
10 kV AC (1.2/50 micros)
Insulation resistance
Between input and output/ground
500 V DC 100 M Ohm
Between output and ground
Surge transfer
-60 dB or less (common mode)
Weight
24kg
29kg
41kg
56kg
Coating color
Standard color: Munsell N4.0 semi-matte