Isolation transformer DZN0 K4 CU IP21

for indoor serviceIECK-factor

Short description
Low-voltage isolation transformer for indoor installations. Vector group Dzn0 with K‑factor 4, copper windings, electrostatic shield grounded between primary and secondary, protection degree IP21.

Technical specifications (summary table)
Frequency | 50 Hz
K Factor | 4
Input voltage | 400 V
Output voltage | 400 V
Primary winding connection | Delta
Secondary winding connection | Zig-zag
Vector unit | Dzn0
Core material | M270 magnetic steel
Winding material | Copper
Electrostatic shield | Between primary & secondary, connected to ground
Max ambient temperature (°C) | 40
Insulation class | H
Insulation level | 3
Thermal class | H
Temperature rise (°C) | 125
Max altitude (m) | 1000
Environmental - climate - fire class | E1 - C1 - F0
Installation | Indoor
Protection degree | IP21
Reference Standards | EN 60076 / IEC 61558 (when applicable)

Product variants (table)
Part number | Power (kVA) | In-rush current | No-load losses (W) | Load losses (W) | Vcc %
DZN0 K4 CU IP21 10 | 10 | 34 | 160 | 460 | 3.5
DZN0 K4 CU IP21 12 | 12 | 34 | 180 | 560 | 3.5
DZN0 K4 CU IP21 15 | 15 | 34 | 190 | 710 | 3.5
DZN0 K4 CU IP21 20 | 20 | 32 | 225 | 770 | 3.5
DZN0 K4 CU IP21 25 | 25 | 32 | 260 | 920 | 3.5
DZN0 K4 CU IP21 30 | 30 | 27 | 290 | 1070 | 3.5
DZN0 K4 CU IP21 40 | 40 | 21 | 330 | 1120 | 4
DZN0 K4 CU IP21 50 | 50 | 19 | 360 | 1280 | 4
DZN0 K4 CU IP21 63 | 63 | 16 | 410 | 1480 | 4
DZN0 K4 CU IP21 80 | 80 | 15 | 470 | 1750 | 4
DZN0 K4 CU IP21 90 | 90 | 14 | 510 | 1910 | 4
DZN0 K4 CU IP21 100 | 100 | 13 | 540 | 2070 | 4
DZN0 K4 CU IP21 110 | 110 | 12 | 580 | 2220 | 4
DZN0 K4 CU IP21 125 | 125 | 12 | 630 | 2460 | 4
DZN0 K4 CU IP21 140 | 140 | 11 | 680 | 2690 | 4
DZN0 K4 CU IP21 160 | 160 | 10 | 740 | 3000 | 4
DZN0 K4 CU IP21 180 | 180 | 10 | 810 | 3300 | 4
DZN0 K4 CU IP21 200 | 200 | 9 | 870 | 3610 | 4
DZN0 K4 CU IP21 225 | 225 | 9 | 940 | 3980 | 4
DZN0 K4 CU IP21 250 | 250 | 8 | 1020 | 4360 | 4
DZN0 K4 CU IP21 280 | 280 | 8 | 1100 | 4800 | 4
DZN0 K4 CU IP21 315 | 315 | 7 | 1200 | 5310 | 4
DZN0 K4 CU IP21 350 | 350 | 7 | 1290 | 5810 | 4
DZN0 K4 CU IP21 400 | 400 | 6 | 1410 | 6510 | 4
DZN0 K4 CU IP21 450 | 450 | 6 | 1520 | 7210 | 4
DZN0 K4 CU IP21 500 | 500 | 6 | 1620 | 7880 | 4
DZN0 K4 CU IP21 630 | 630 | 5 | 1840 | 9570 | 4

Technical features

• Frequency: 50 Hz
• K Factor: 4
• Input / Output voltage: 400 V / 400 V
• Primary connection: Delta
• Secondary connection: Zig-zag
• Vector group: Dzn0
• Core material: M270 magnetic steel
• Winding material: Copper
• Electrostatic shield: Between primary and secondary, earthed
• Max ambient temperature: 40 °C
• Insulation class: H
• Insulation level: 3
• Thermal class: H
• Temperature rise: 125 °C
• Max installation altitude: 1000 m
• Environmental / climate / fire class: E1 - C1 - F0
• Installation: Indoor
• Protection degree: IP21
• Standards: EN 60076 / IEC 61558 (when applicable)