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5.23
Analogue Voltmeters & Ammeters
Digital Voltmeters & Ammeters
Analogue Voltmeters
For domestic and commercial
installations
• Single phase:
direct connection
• Three phase: use of a
voltmeter selector switch
SK602 (see page 5.24).
Frequency
50 Hz
Connection Capacity
Rigid conductor 10mm
2
Flexible conductor 6mm
2
Analogue Ammeters
For domestic and commercial
installations.
Indirect reading via current
transformers: 50-100-150-250-
400A
4 Mod = 70mm
Voltmeter
Consumption
Accuracy
Width
Cat ref.
2.5VA
2%
4 Mod
SM500
Ammeters
Connection via a current transformer (CT) (page 5.31)
Scale
Accuracy
Width
Cat ref.
0 - 50A
2%
4 Mod
SM050
0 - 100A
2%
4 Mod
SM100
0 - 150A
2%
4 Mod
SM150
0 - 250A
2%
4 Mod
SM250
0 - 400A
2%
4 Mod
SM400
Digital Voltmeter
Voltage rating: 220/230V; 50/60Hz
Accuracy: ± 1%
Consumption: 4 VA
Scale
Width
Cat ref.
0 - 500V
4 Mod
SM501
Digital Ammeters
Voltage rating: 220/230V; 50/60Hz
Accuracy: ± 1%
Consumption: 4 VA
Description
Scale
Width
Cat ref.
Reading via CT 150/5 (SRA01505) Scale: 0 - 150A
4 Mod
SM151
Reading via CT 400/5 (SRC04005) Scale: 0 - 400A
4 Mod
SM401
Reading via CT 600/5 (SRC06005) Scale: 0 - 600A
4 Mod
SM601
Digital Voltmeters
SM501
For domestic and commercial
installations
• Three phase: use of a
voltmeter selector switch
SK602
Digital Ammeters
SM151, SM401, SM601: reading
via a current transformer (see
below)
4 Mod = 70mm
SM050
SM500
SM501
SM401
Modular
Devices