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AC Ammeter YS-8NAA Series
YS-8NAA series AC ammeter (mechanical indicator.)
[Features]
· Used for measuring current in power transmission/distribution lines, load equipment, etc.
· Size: W82 × H82 mm.
· Operating principle: movable iron core type.
[Applications]
· An instrument for measuring and displaying current from AC and DC circuits.
Part Number
Configured Part Number is shown.
AC Ammeter Specification
| Rectangular Meter | |
|---|---|
| Y-N Series | |
| Size (Width × Height) mm | 82 × 82 |
| Model Name | YS-8NAA |
| Operating Principle | Movable iron core type |
| Accuracy Class (Grade) | 2.5 |
| Frequency | 50-60 Hz dual use |
| Scale Length (mm) | 70 |
| Consumption VA (VA) | 1.0 |
| Weight (kg) | 0.1 |
Remark 1. Scale intervals for the movable iron core-type meters are non-uniform, and scale lines near the 0 point of the scale are omitted.
Remark 2. Scale lines and number positions may differ slightly between individual meters, even with the same scale specifications.
Expanded Scale Meters
Use in locations where overcurrents flow temporarily, such as motor circuits.
The effective measurement range covers up to the meter rating value (1x value.) The expanded scale portion is displayed to provide reference values.
Ensure that during application of a current exceeding the rating (applied current [A] / rated current [A])2 × the application time (s) does not exceed 500.
Expanded scale example image (YS-206NAA-type)
Expanded Scale Meter Specifications
| Rated Scale Value | Expanded Scale Value | |||
|---|---|---|---|---|
| 2x Expansion | 3x Expansion | 5x Expansion | ||
| Direct | 1 A | 2 A | 3 A | 5 A |
| 3 A | 6 A | 9 A | 15 A | |
| 5 A | 10 A | 15 A | 25 A | |
| 10 A | 20 A | 30 A | 50 A | |
| 15 A | 30 A | 45 A | 75 A | |
| 20 A | 40 A | 60 A | - | |
| 30 A | 60 A | 90 A | - | |
| C T Combination | Meter Rating: 5 A | CT ratio × 10 A | CT ratio × 15 A | CT ratio × 25 A |
| Meter Rating: 1 A | CT ratio × 2 A | CT ratio × 3 A | CT ratio × 5 A | |
The manufacturer uses the 3x expanded scale meter as the standard.
Recommended Ammeter Scale Values For Electric Motor Circuits
200‑V three-phase induction motor
| Motor Output (kW) | Rated Current (Reference Value A) | Recommended Scale | |
|---|---|---|---|
| Ammeter Scale (3x Expansion) | CT Ratio | ||
| 0.2 | 1.8 | 0-3-9 A | - |
| 0.4 | 3.2 | 0-5-15 A | 5/5 A |
| 0.75 | 4.8 | 0-7.5-22.5 A | 7.5/5 A |
| 1.5 | 8 | 0-10-30 A | 10/5 A |
| 2.2 | 11.1 | 0-15-45 A | 15/5 A |
| 3.7 | 17.4 | 0-20-60 A | 20/5 A |
| 5.5 | 26 | 0-30-90 A | 30/5 A |
| 7.5 | 34 | 0-40-120 A | 40/5 A |
| 11 | 48 | 0-60-180 A | 60/5 A |
| 15 | 65 | 0-75-225 A | 75/5 A |
| 18.5 | 79 | 0-100-300 A | 100/5 A |
| 22 | 93 | 0-120-360 A | 120/5 A |
| 30 | 125 | 0-150-450 A | 150/5 A |
| 37 | 160 | 0-200-600 A | 200/5 A |
AC Ammeter Dimensional Outline Drawing
A dimension: 41
Dimensional Outline Drawing
Panel hole drilling dimensions
(view from front of panel)
| Part Number |
|---|
| YS-8NAA(0-5-15A) |
| YS-8NAA(0-7.5-22.5A) |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Scale | Connection method or CT ratio |
|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | 6 | 0-5-15A | 5/5A | ||
- | 1 Piece(s) | Quote | 6 | 0-7.5-22.5A | 7.5/5A |
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Basic Information
| Gauge Front Surface Dimensions (Width × Height)(mm) | 82 x 82 |
|---|
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- YM-206NDA Series DC Ammeter (Mechanical Indicator)
- AC Voltmeter YS-8NAV Series
- Digital Process Panel Meter, with Current Display, K3MA-J
- Time Interval Meter K3HB-P
- Time Interval Meter K3HB-P, Optional Product
- High Speed Response Digital Panel Meter K3HB-S
- Integration and Addition/Subtraction Pulse Meter K3HB-C
- Divided CT, WCTF-100/200/400/600 Series
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