Watson-Marlow MM420 User Manual
Page 198

Changing the Operator Panel
Issue 10/06
MICROMASTER 420 Operating Instructions
198
6SE6400-5AA00-0BP0
Table 7-5
Compliance Table
Model Remarks
Class 1 – General Industrial
6SE6420-2U***-**A1
Units without filters, all voltages and performances. The product norm
EN 61800-3 +A11 for "Variable-speed electrical drives, Part 3: EMC
product standard including specific test methods” specifies limits for
conducted emissions which cannot be complied with by unfiltered
inverters in the second environment.
Filtered inverters (as described under Class 2) must be installed for
drive systems in C3 installations.
The use of unfiltered inverters in industrial environments is allowed only
if they are part of a system which is equipped with line filters on the
higher-level supply side.
Class 2 – Filtered Industrial
6SE6420-2A***-**A0
All units with integral Class A filters
6SE6420-2A***-**A0 with
6SE6400-2FA00-6AD0
Frame size A units 400-480 V with external Class A footprint filters
Class 3 – Filtered for residential, commercial and light industry
6SE6420-2U***-**A0 with
6SE6400-2FB0*-***0
Unfiltered units fitted with external Class B footprint filters.
6SE6420-2A***-**A1 with
6SE6400-2FS0*-***0 or
6SE6400-2FL0*-***0
Units with fitted Class A filters and additional external Class B filters.
6SE6420-2U***-**A1 with
6SE6400-2FA0*-***0
6SE6420-2A***-**A1
Unfiltered units fitted with external Class B filters
All units with fitted Class A filters.
For drive systems in category C2 installations, the following warning
notice is necessary:
In residential environments, this product may cause radio-frequency
disturbances which may necessitate interference suppression
measures.
* denotes any value is allowed.
Category C3: Drive system (PDS) with rated voltage < 1000 V.
For use in second environment.
Category C2: Drive system (PDS) with rated voltage < 1000 V. For use in first
environment. Installation and commissioning by EMC expert only.
Category C1: Drive system (PDS) with rated voltage < 1000 V.
For use in first environment.