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Selection parameter according to IEC /DIN EN 61439-1 attachment C
You are here: Home / Downloads and Support / Technical support / Selection parameter according to IEC /DIN EN 61439-1 attachment C
Establishing of the Selection parameter according to IEC /DIN EN 61439-1 attachment C
The following table shows the default values of the mobile distributors manufactured by INDU-ELECTRIC. According to the above-mentioned standard, agreements must be made between the user and the manufacturer when making an offer, if deviations from the stated INDU-ELECTRIC standard values are required by the customer.
According to DIN 61439-1, the user must define the following functions and features
| Characteristics | Standard specifications | INDU Standard |
| System according to the type of ground connection | TN | TN |
| Rated voltage | up to max. 1000V | 400V AC |
| Transient overvoltage | Overvoltage category I-IV | II |
| Temporary overvoltage | see table 8,9,10 | 2000V AC |
| Rated frequency | DC/50/60HZ | 50HZ |
| Short circuit resistance | up to 125A =10KA 400A = 20KA | |
| SCPD (Short circuit protection device) in the feed | mobile distributors are usually fed with plug-in devices | |
| Coordination between SCPD inside / outside the socket distributor | present / install / build into |
depending clients |
| Type of protection against electric shock (It serves to protect against electric shock by being touched within the distributor during normal operation) | observe local requirements | basic protection |
| Type of protection against electric shock fault protection (this protection serves to protect against the faults in an INDU-ELECTRIC distro) | automatic shutdown / protective insulation | depending on the article: automatic switch-off or protective insulation |
| Place of installation | indoor / outdoor | depending on the article |
| Protective rating | IP xx | IP 44 |
| Protection against mechanical effects | specification of the IK codes | IK 10 |
| Resistance to UV radiation | required for outdoor installation | high resistance |
| Limits of ambient temperature | Outdoor 25°C, Indoor 50% at 40°C | from -25°C to 45°C |
| Level of pollution | 1,2,3,4 | 3 (industrial environment) |
| Elevation | 2000 meter | |
| EMV surroundings | A/B | B |
| Special operating conditions such as EX zone, vibrations | not defined | |
| Requirements for storage and transport (type of transport, deviating environmental conditions, maximum dimensions, packaging requirements) | no | see manual |
| Accessibility requirements for operation, inspection, maintenance or expansion | no | Inspection maintenance only by qualified personnel |
| Separation of the outgoing circuits | by plug-in devices or connectors | |
| Rated current of the switching device combination | depending on the article | |
| Rated Deversity Factor (RDF) | RDF for curcuits / RDF for whole distribution box | RDF see INDU-ELECTRIC manual |
| Aspect ratio between between phase conductor and neutral conductor | for currents in N up to 50% of the outer conductor, otherwise special agreement necessary! | cross-section of the external conductor = cross-section of N |
Contact
Phone: +49 2137 – 95010
E-Mail: info@indu-electric.com
Contact
INDU-ELECTRIC Gerber GmbH
Phone: +49 2137 – 95010
E-Mail: info@indu-electric.com
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