990-5997B-001

Recommended Cable Sizes

DANGER
hazard of electric shock, explosion, or arc flash
All wiring must comply with all applicable national and/or electrical codes.
Failure to follow these instructions will result in death or serious injury.
NOTE: Overcurrent protection is to be provided by others.

Cable sizes in this manual are based on table B.52.5 of IEC 60364–5–52 with the following assertions:

  • 90 °C conductors

  • An ambient temperature of 30 °C

  • Use of copper conductors

  • Installation method C

If the ambient temperature is greater than 30 °C, larger conductors are to be selected in accordance with the correction factors of the IEC.

Cable Size for Cables Between UPS and Battery Breaker

Battery Breaker Kits Connection Easy UPS 3M Easy UPS 3L
60 kVA 80 kVA 100 kVA 120 kVA 160 kVA 200 kVA 500 kVA 600 kVA
1xE3MBBK60K80H DC+, N, DC- (mm²) 50 70
PE (mm²) 25 35
2xE3MBBK60K80H DC+, N, DC- (mm²) 50 50 50 50 70
PE (mm²) 25 25 25 25 35
1xE3MBBK100K200H DC+, N, DC- (mm²) 2x70 2x70 2x95 2x120
PE (mm²) 70 70 95 120
2xE3MBBK100K200H DC+, N, DC- (mm²) 150 150 150 2x120 2x120
PE (mm²) 95 95 95 120 120
3xE3MBBK100K200H DC+, N, DC- (mm²) 2x120 2x120
PE (mm²) 120 120

Cable Size per String for Cables Between Battery Breaker and Battery Bank

    Easy UPS 3M Easy UPS 3L*
Number of Battery Strings Connection 60 kVA 80 kVA 100 kVA 120 kVA 160 kVA 200 kVA 500 kVA 600 kVA
1 battery string Batt+, N, Batt- (mm²) 50 70 2x70 2x70 2x95 2x120 2x120 2x120
PE (mm²) 25 35 70 70 95 120 120 120
2 battery strings Batt+, N, Batt- (mm²) 25 35 70 70 95 120 120 120
PE (mm²) 16 16 35 35 50 70 70 70
3 battery strings Batt+, N, Batt- (mm²) 16 16 50 50 50 70 70 70
PE (mm²) 16 16 25 25 25 35 35 35
4 battery strings Batt+, N, Batt- (mm²) 16 16 35 35 35 50 50 50
PE (mm²) 16 16 16 16 16 25 25 25
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