ESAB TAF 1251, Instruction Manual

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3 TECHNICAL DATA
0449 510 101 - 8 - © ESAB AB 2018
3 TECHNICAL DATA
TAF 1251
Voltage 346/400/415/500 V, 1 ̴ 50 Hz
400/440/550 V, 1 ̴ 60 Hz
Primary current I
max
249 A
Permissible load at:
100 % duty cycle
1250 A / 44 V
Setting range 400 A / 28 V – 1250 A / 44 V
No-load voltage 73 V
No-load power 240 W
Efficiency 87%
Power factor 0.77
Apparent power 86.2 kVA
Active power 64.9 kW
Weight 608 kg
Dimensions L × W × H 774 × 598 × 1228
Insulation class (transformer): F
Enclosure class IP 23
Enclosure class
The IP code indicates the enclosure class, i.e. the degree of protection against penetration
by solid objects or water.
Equipment marked IP23 is intended for indoor and outdoor use.