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SA7HM Hydrqulic Magnetic Earth leakage Circuit Breaker

Description
Hydrqulic Magnetic Earth leakage Circuit Breaker is mainly for suitable for overload and short
circuit protection. It adopt hydraulic magnetic trip instead bimetal .So it has a high sensitivity and it
is also not effected by the ambient temperature. It is especially used for illumination and distribution
in industry and commerce. They are mainly used for overload and short-circuit protection within the
circuit of AC 50Hz/60Hz, rated voltage of single pole or double up to 240V, three poles up to 415V.
They can also be used for an unfrequent switch-over of the circuit and illumination under normal
conditions. They are comply with IEC 60947, VC8035,VC8036 and BS 3871 part 1.

Frame amperes 15-100
Type SA7HM
Standard ampere rating.① 15-20-30 15-20-30
The trip point is not affected by 40-50-60 40-50-60
ambient temperature variations. 80-100 80

Sensitivity (mA) 30-50-100-250-375-500-1000
Number of poles 1+N 3+N
Rated voltage (V) AC 50/60Hz 240 415
DC - -
Rated AS 3190 250/440V AC 6 6
interrupting
capacity (KA)

Tripping curve ELCB Instantaneous to AS 3190 (Curve B)
Refer operating characteristics-section 2.6

MCB Curve 2 only, Medium IDMTL overcurrent and instantaneous
short circuit 8 to 10 x In
Refer operating characteristics-sectiion 2.6
Colour of handle White/Green White/Green
Usble as a disconnector Yes Yes
Outline dimensions (mm) Depth 66 66
Width 65 117
Height 107 107
Weight (kg) 0.49 0.97

Tripping mechanism Operated by shunt trip triggered from the printed circuit board
2
Connection Box terminal (50 mm cable maximum). Torque 3,5 Nm
Mounting Mini-rail mounting or with MIK surface mounting clips

Optional accessories
Extended lug terminal Yes Yes
Shunt trip - -
Busbar single phase 36 pole - -
Busbar 3 phase insulated - -
Escutcheon blanks Yes Yes
Safety blanks Yes Yes
Handle lock Yes Yes
Shrouds Yes -
Type SA7
Surface mounting clips/screws Yes Yes
Auxiliary switch - -

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