Versions; Available Versions; Arc-Proof - ABB MNS R System Manual

Available versions

The ABB MNS R switchgear is avail-
able in the following versions/types:
- For indoor installation
- Top and bottom entry power cables
- Top and bottom entry bus-duct
- Top and bottom entry auxiliary cables
- Standard painting
- Special painting cycle for aggressive
environments
- Bare busbars
- Sheathed busbars
- Busbars with protective electrolytic
treatment
- Flame-proof cables and wiring
- Flame-proof and alogen free cables
and wiring

- Arc-proof

- Degree of protection IP30...54
- IEC segregation forms 3a, 3b and 4b.
ABB SACE

Versions

Arc-proof
On request, in order to achieve the
maximum safety level, is available a
version tested in conformity with the
technical report IEC 61641. The arc
proof ABB MNS R switchgear can
withstand the stresses caused by any
internal arcs for short-circuit
currents up to 100 kA for 300 ms at
415 V, still keeping the voltage value
at 415 V unaltered.
Version according to UL Standards
ABB MAX SG is the solution available
in accordance with the American
Standards UL 1558. Please refer to the
relevant technical documentation for
details.
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