| General Specifications |
| Applicable Standards |
| Terminal bolts/leads |
DIN 46200/46282 |
Safety requirements and protective
measures for Electrical indicating.
instruments and their accessories |
IEC 529, IEC 61010-1 |
Perforamnce specifications for direct
acting indicating analogue electrical
measuring instruments and their
accessories |
IS 1248
IEC 51
ANSI C39.1 1981 |
| UL Compatibility |
UL 94 V-0 |
| Scale and Pointer |
| Pointer |
Spear |
| Pointer deflection |
90° |
| Scale division |
Coarse - fine |
| Scale length |
B250; 50.61 mm
B350; 64.76 mm |
| Nominal Range of Use |
| Ambient Temperature |
0 ...40 °C |
| Position of use |
Vertical ± 5° |
| Frequency |
FN ± 10% |
| External Magnetic Field |
At 0.4 kA/m |
| Mechanical Data |
| Case details |
Molded case suitable for mounting
in Control / switchgear panels Machinery
consoles. |
| Case material |
Polycarbonate, flame retardant and drip
proof as per UL 94 V-0. |
| Front window |
Polycarbonate (transparent) |
| Color of case |
Black |
| Position of use |
Vertical |
| Panel fixing |
Fixing Stud |
| Panel thickness |
< 10 mm |
| Balance |
1% |
Voltmeters and Ammeters
& Frequency meters |
Terminal 10-32 UNF, Washer 10-32 |
| Fixing |
Surface mounting with 3 studs
4-40 UNC studs |
| Accuracy |
According to IEC 51/ DIN EN 60051 |
| DC Ammeters & Volmeters |
2% 0 to 100% of full scale deflection |
| AC Ammeters & Voltmeters |
See Note 1 on Page 3 data sheet |
| Ambient temperature |
23 C ± 2°C |
| Position of use |
Nominal position ±1° |
| Input Waveform |
Rated value of measured quantity
sine wave, distortion factor < 5% |
| Frequency |
45 - 65 Hz |
| Other Conditions |
IEC 51/DIN EN 60051 |
| Electrical Data |
Elapsed Time Meter and Frequency Meter
are not available in the Big-Vue Series.
See our Simpson Catalog for this type of meters. |
| Moving Iron A.C. Ammeters & Voltmeters |
| Accuracy Class |
2 |
| Overload |
| Ammeters |
x 1.2 for 2 Hours
x 10 for 5 Sec |
| Voltmeters |
x 1.2 for 2 Hours
x 2 for 5 Sec |
| Moving Coil D.C. Ammeters & Voltmeters |
| Accuracy Class |
2 |
| Environmental Coditions |
| Climatic Suitability |
Climate category II as per IEC 60051
(Climatic class 3 according toVDE/VDI 3540) |
| Operating Temperature |
0 C... + 40 C |
| Storage temperature |
- 20 C ...+55 C |
| Relative humidity |
25% to 80% nominal range of use |
| Shock resistance |
15 g. for pulse duration 11ms |
| Vibration resistance |
ANSI C39.1 cl. 5. 13 |
| Standard Measuring Ranges |
| DC moving coil Ammeters |
1 to 500 A |
| DC moving coil Voltmeters |
5 to 500 V * |
| AC moving coil Voltmeters |
150 or 600 V |
| AC moving iron Ammeters |
10 to 1000 A |