System 4 Low Voltage Switchboards

Packaged Substations

• Indoor packaged substations comprise of a “SYSTEM 4” low voltage switchboard coupled to one or more dry type, air colled, cast resin transformers to IEC 60076/BS EN 60076 (formerly BS 171)
• Ratings 500-2500kVA are available with enhanced ratings possible, by forced cooling with the addition of integral fans
• The standard primary and secondary windings are 11kV and 433 Volt respectivelky, connected in Delta/Star, but other primary and secondary voltages are available
• The packaged substation can be in various physical arrangements, to suit the requirements of individual installations

M-Pact Air Circuit Breakers

• Incorperation of the M-Pact 2 withdrawable Air Circuit Breaker into System 4 switchboards offers state of the art circuit protection and system management together with reliability and performance with which the name M-PACT has always been associated.
• 3 or 4 Pole configurations
• ASTA, KEMA & LOVAG certified in accordance with IEC 947-2/BSEN60947