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WALL RESIDENTIAL LEAD-IN SWITCHBOARD
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SKVN3 |
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Intended for main lead-in and energy metering with 220V voltage, 50 Hz frequency and dead-earthed neutral (TN-S and TN-C-S earthing systems), and also for protection at overloads, short circuits and inadmissible earth leakage currents (with residual current beakers).
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- Complies with GOST R 51321.1-2000 (IEC 60439-1-92), GOST R 51628-2000.
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Items
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Values
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Nominal voltage, V |
220
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Nominal frequency, Hz |
50
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Degree of protection according to GOST 14254-96:
-with cover closed
-with cover opened
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IP54
IP20
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Electric shock protection according to GOST R IEC 536-94
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class II
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Environmental modification according to GOST 15150-69 and GOST 15543.1-89:
-U1
-U2
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from -45 to +45°
from -40 to +45°
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Overall dimensions (HxLxB), mm
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250 x 263 x 101
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Weight, kg
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not more than 3
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- Equipped with lead-in device and meter (including meters with built-in radiomodem and antenna-feeder arrangement).
- TN 35-7.5 DIN-rail mounted.
- Modifications with single-phase lead-in.
- Allow installation of rail modification meter in S4, S6 and S7 cases.
- Space for antenna-feeder arrangement in switchboard case (in case of radiomodem meters).
- Provide anti-tamper protection.
- Transparent sealable doors for metering and hardware sections provided with sealing screws. Metering section door is intended for access to meter’s Ir-port.
- Sealable cover.
- Modifications according to installation type and case material:
- U1 climatic modification, outdoor installation, case material – polycarbonate;
- U2 climatic modification, indoor installation, case material – ABS resin.
- “PE” and “R” buses installation possibility.
- 4-point wall mounting through 6 mm holes without apparatus demounting.
- Lead-in line and outgoing conductor connection through gland inlets in the lower part of the switchboard case, or through the back of the case via breakable gags (in case of flush wiring). Additional gland inlet for radiomodem remote antenna lead-in.
- Switchboards are available incompletely equipped or equipped with other protective devices, 8 contact “PE” and “N” buses on customer’s request.
- Case window with breakable gags for installation of devices, from 3 to 6.5 modules in width (from 18 mm to 72 mm in increments of 18 mm).
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X SKVN XX II-XXA/Mt/ XXXX XX
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Environmental modification
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Scheme number;
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Meter presence;
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Nominal current in amperes;
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Protection class;
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Modification according to the place of mounting: 1 - external; 2 - internal;
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Size;
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Switchboard type designation;
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Phase quantity (figure 1 is allowed not to be put) |
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