BS EN 61000-4-27+A1:2001 Electromagnetic compatibility (EMC). Testing and measurement techniques. Unbalance, immunity test for equipment with input current not exceeding 16 A per phase
2001BS EN 61000-4-27:2000+A1:2009 Electromagnetic compatibility (EMC). Testing and measurement techniques. Unbalance, immunity test for equipment with input current not exceeding 16 A per phase
2001BS EN 61000-4-27:2001 Electromagnetic compatibility (EMC) - Testing and measurement techniques - Unbalance, immunity test - Unbalance, immunity test