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(2) Low Voltage Directive
We have self-confirmed our inverters as products compliant to the Low Voltage Directive and affix the CE marking on the inverters.
Low Voltage Directive: 2014/35/EU
Standard: EN61800-5-1:2007
Outline of instructions
Do not use an earth leakage circuit breaker as an electric shock protector without connecting the equipment to the earth.
Connect the equipment to the earth securely.
Wire the earth (ground) terminal independently. (Do not connect two or more cables to one terminal.)
Use the cable sizes on page 7 under the following conditions.
Surrounding air temperature: 40°C maximum
If conditions are different from above, select appropriate wire according to EN60204.
Use a tinned (plating should not include zinc) crimp terminal to connect the earth cable. When tightening the screw, be
careful not to damage the threads.
For use as a product compliant with the Low Voltage Directive, use PVC cable on page 7.
Use the molded case circuit breaker and magnetic contactor which conform to the EN or IEC Standard.
When using an earth leakage circuit breaker, use a residual current operated protective device (RCD) of type B (breaker
which can detect both AC and DC). If not, provide double or reinforced insulation between the inverter and other
equipment, or put a transformer between the main power supply and inverter.
Use the inverter under the conditions of overvoltage category II (usable regardless of the earth (ground) condition of the
power supply) specified in IEC60664.
To use the inverter under the conditions of pollution degree 3, install it in the enclosure of IP54 or higher.
To use the inverter outside of an enclosure in the environment of pollution degree 2, fix the fan cover with fan cover
fixing screws enclosed.
FR-D740-080(SC) or lower
FR-D720S-070(SC) and 100(SC)
Example for FR-D740-036(SC)
Note, the protection structure of the Inverter units is considered to be an IP00.
On the input and output of the inverter, use cables of the type and size set forth in EN60204.
The operating capacity of the relay outputs (terminal symbols A, B, C) should be 30VDC, 0.3A. (Relay outputs are
basically isolated from the inverter internal circuit.)
Control circuit terminals on page 4 are safely isolated from the main circuit.
Environment
Surrounding air temperature
Humidity
Maximum Altitude
For the installation at an altitude above 1000m up to 2500m, consider a 3% reduction in the rated current per 500m increase in altitude.
FR-D740-120(SC) or higher
Fan cover
fixing screw
Fan cover
Fan connector
Fan
Running
-10°C to +50°C
90% RH or less
(non-condensing)
1000m
Fan cover
fixing screws
Fan cover
Fan
Fan connector
Example for FR-D740-160(SC)
In Storage
-20°C to +65°C
90% RH or less
(non-condensing)
1000m
During Transportation
-20°C to +65°C
90% RH or less
(non-condensing)
10000m
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