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3RV2011-1KA10

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EMC filter, Class A

Filter for inverters without an internal filter for

• 200 V to 240 V 3 AC, frame sizes A and B
• 380 V to 480 V 3 AC, frame size A, FX, GX

Filters for frame sizes FX and GX are only permitted to be used in combination with a line commutating choke.

All other inverters with the exception of inverters for 500В V to 600В V can be supplied with an internal Class A filter.

The requirements are fulfilled using shielded cables with a max. length of 25В m.

EMC filter, Class B

Filter for inverters without an internal filter for

• 200 V to 240 V 3 AC, frame sizes A and B
• 380 V to 480 V 3 AC, frame size A

The requirements are fulfilled using shielded cables with a max. length of 25В m.

For inverters 15 kW to 75 kW without filters, EMC filters of Class B from Schaffner can be used.

The requirements are fulfilled using shielded cables with a max. length of 25 m to 50 m (depending on the type, details on request).

With this filter, the inverter complies with the emission standard EN 55 011, Class B for conducted interference emissions.

Additional EMC filter, ClassВ B

Available for inverters with an internal Class A EMC filter, frame sizes A, B and C.

The requirements are fulfilled using shielded cables with a max. length of 25В m.

With this filter, the inverter complies with the emission standard EN 55 011, Class B for conducted interference emissions.

Filter Class B with low leakВ­age currents

EMC filter for 200 V to 240 V 1 AC inverters, frame sizes A and B, without an internal Class A EMC filter.

With this filter, the inverter complies with the emission standard EN 55 011, Class B for conducted interference emissions. The leakage currents are reВ­duced to <В 3.5В mA.

The requirements are fulfilled using shielded cables with a max. length of 5В m.

Leakage currents:

The leakage currents of the inverters with/without filter (internal/external) may exceed 30В mA. Typical values in practice are between 10В mA and 50В mA. The exact values deВ­pend on the design, environment and cable lengths. Interference-free operation with residual current operated devices with a trigger value of 30В mA cannot be guaranteed.

However, operation with residual current circuit breakers with a trigger value of 300В mA is possible. Please refer to the Instruction Manual for details.

LC filter and sinusoidal filter

The LC filter/sinusoidal filterВ limits the rate of rise of voltage and the capacitive charge/discharge currents which usually occur with inverter operation. This means that much longer shielded motor cables are possible when using LC filters/sinusoidal filtersВ and the service life of the motor achieves values similar to those with direct mains operation. Use of an output choke isn't required with that.

Please note when using LCВ filters/sinusoidal filters:

• Only V/f, FCC control permissible
• Please observe the derating of 15 % when selecting the appropriate inverter.
• Operation only permissible with 4 kHz pulse frequency
  Note: Please observe derating for frame sizes FX and GX.
• The output frequency is limited to 150 Hz.
• Operation and commissioning only with connected motor as the LC filter/sinusoidal filter is not idling-proof!В 

The LC filters/sinusoidal filtersВ can be used for all MICROMASTER 440 inverters of frame sizes A to GX.

• Frame sizes D to F:
  The LC filters, frame sizes D to F, are designed for mounting upright in the control cabinet. Due to leakage flux lines caused by physical sources, a minimum distance of 50В mm to adjacent modules and metal parts is recommended.
• Frame sizesВ FX and GX:
  The sinusoidal filters, frame sizes FX and GX, are designed for mounting upright in the control cabinet. Due to leakage flux lines caused by physical sources, a minimum distance of 100В mm to adjacent modules and metal parts is recommended.В 

Line commutating choke

Line commutating chokes are used to smooth voltage peaks or to bridge commutating dips.
In addition, line commutating chokes reduce the effects of harmonics on the inverter and the power supply. If the line impedance is <В 1В %, a line commutating choke must be used in order to reduce the current peaks.

In line with EN 61 000-3-2 reg­ulations "Limits for harmonic currents with device input current ≤16 A per phase", there are special aspects for drives with 250 W to 550 W and 230 V single-phase supplies which can be used in non-industrial applications (1st environ­ment).

For devices with 250 W and 370 W, it is necessary either to fit the recommended input chokes or to apply to the power utility company for authorization to connect the devices to the public power supply.

No limits are currently defined in the EN 61 000-3-2 standard for professionally used devices with a connected load > 1 kW which means that the inverters with an output power ≥ 0.75 kW comply with the EN 61 000-3-2 standard.

However, in accordance with the regulations of EN 61000-3-12 "Limits for harmonic currents > 16 A and ≤ 75 A per phase" an approval is necessary from the power supplier for drives that are intended to be connected to the public low-voltage network. Please refer to the Operating Instructions for the values of the harmonic currents.

Output choke

Output chokes can be supplied for reducing the capacitive compensation currents and dV/dt in the case of motor cables > 50 m (shielded) or > 100 m (unshielded).

For max. permissible cable lengths, see the Technical Data.

Brake resistor

The brake resistors are designed for use with the MICROMASTER 440 inverter series, frame sizes A to F, with internal brake chopper and enable loads with a large moment of inertia to be braked quickly. During braking of the motor and the load, excess energy is fed back to the inverter. This causes the voltage to rise in the DC link. The inverter transfers the excess energy to the externally mounted braking resistor.

For MICROMASTERВ 440 inverters of frame sizes FX and GX, external SIMOVERT MASTERDRIVES brake units and the appropriate brake resistors can be used (see Catalog DA 65.10).

Gland plate

Gland plates are available for inverters of frame sizes A, B and C. All the other frame sizes have the shield connection for the control cable integrated in the inverter.

The shield for the power cable has to be connected externally (e.g. in the control cabinet). Exception: Inverters of frame sizes D and E and frame size F with integrated class A filter. In this case the shield connection is integrated in the inverter.

The gland plate facilitates the shield connection of power and control cables and thus ensures optimum EMC performance.

В 

Selection and ordering data

The options listed here (filters, chokes, resistors, gland plates, fuses and circuit‑breakers) must be selected to match the corresponding inverter type. The inverter and the associated options have the same voltage ratings. Either fuses or circuit‑breakers may be used as listed in MICROMASTER Getting Started. Fuses type 3NA and circuit‑breakers type 3RV/3VL provide short circuit protection to the inverter supply. Fuses type 3NE1 provide short circuit protection to the inverter supply and are semiconductor protection devices.

Notes for use in America: filters, chokes, resistors and gland plates are UL‑listed accessories. FS A‑C inverters require UL‑listed fuses e.g. Class J or semiconductor fuses type 3NE1 (UL recognized UR). Type E motor controller (type 3RV) may also be used. FS D‑GX inverters require semiconductor fuses type 3NE1.

For further information about the use in Europe and America please refer to the MICROMASTERВ GettingВ Started
https://support.industry. siemens.com/cs/document/ 109475764