3-8
MHT260a (Engl.)
(c) Earthing (grounding)
To prevent electric shocks, the amplifier protection earth terminal and the control panel protection earth terminal should be connected to the
ground.
When connecting earth cables to the protection earth terminal, do not tighten the cable terminals together.
The amplifier has two protection earth terminals. Do not connect copper cables directly to the amplifier terminals.
For the earth connection avoid direct contact between aluminum and copper.
Tin-plated cable lugs can be used if the plating does not contain zinc.
When tightening the screws take care not to damage the thread in the aluminum frame.
(d) Auto circuit breaker
Connect EN/IEC-approved auto circuit breaker between the power supply source and the power filter. Refer to 10.2.
(e) Residual-current-operated protective device (RCD)
Where residual-current-operated protective device (RCD) is used for protection in case of direct or indirect contact, only RCD of type B is
allowed on the supply side of this electric equipment (EE). Otherwise another protective measure should be applied such as separation of
the EE from the environment by double or reinforced insulation or isolation of EE and supply system by a transformer.
(f) Conformity to EMC requirements
When the amplifier and motor have been finally installed with a driven machine and devices, they may not conform to the EMC requirements
because the installation, wiring, etc. are different according to the final conditions. The driven machine and devices must therefore be
measured for conformity to the EMC requirements under the final conditions with the amplifier and motor installed.
Ｃompliance with UL standards
(a) Auto circuit breaker
For compliance with UL standards, connect UL-approved (with LISTED UL mark) auto circuit breaker between the power supply source and
the power filter.
Input voltage class [V] 100 200
Amplifier output [kW] 0.05, 0.1 0.2 0.03 to 0.2 0.4 0.75, 1 1.5 2, 3 4, 5
Amplifier type RYS□□□S3- □□□6 □□□
500, 101 201 300 to 201 401 751, 102 152 202, 302 402, 502
Auto circuit
type BU-ECA 3005 3010 3005 3010 3015 3020 3030 3050
breaker
current [A]5 105 1015203050
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