120mm diameter aperture.
1/1000 ratio.
Surface mounting with 4 fixing slots.
A Core Balance Current Transformer (CBCT)/Toroid designed for use in conjunction with all Broyce “Type A” Earth Leakage Relays that require an external sensing means.
Aperture diameter: 120mm.
Rated system voltage: 720VAC.
Insulation level: 3kVAC.
Current ratio: 1/1000.
Rated operational current (I.e.): 250A (240mm2)
Max. cross-section/phase cable size shown in brackets and assumes 3P + N copper cables.
Maximum permissible current: 1kA cont., 5kA for 1.5s, 100kA for 0.05s.
Minimum I∆n setting on Earth Leakage Relay foreach type of toroid: 0.1A .
Max. Distance: 50m (max.) Between toroid and ELR.
Ambient temperature: -20 to +60°C.
Relative humidity: +95%.
Housing: Grey ABS.
Mounting option: Surface mount only using fixing slots provided.
Terminal conductor size: ≤ 2.5mm2 solid / ≤ 1.5mm2 stranded.
General
Dimensions(mm): W:155 x H:170 x D:40 (inc. feet).
Weight: 265g.
Approvals
CE Compliant.
Conforms to: IEC61869 parts 1 and 2.
