Electrical Measurements
VK-A72S Digital Adjustable Ammeter with Protection 72X72
ModelVK-A72S
Product overview
The VTEKE VK-A72S is a single-phase digital adjustable ammeter for AC current monitoring and protection in distribution and control panels. It offers configurable high/low current thresholds, waiting and automatic reset times, hysteresis, and a relay output. Dual LED displays support current monitoring and configuration.
Applications
- Low-voltage distribution panels
- Industrial current monitoring and protection
- Motor control and protection panels
- Machinery and automation systems
- Current-dependent load protection
Key features
- Single-phase AC current measurement and protection
- Adjustable high and low current setpoints
- Adjustable fault waiting time
- Adjustable automatic reset time
- Adjustable inrush multiplier and time
- Adjustable maximum reset count
- Adjustable current hysteresis
- Dual LED display
- Relay output for protection control
- Saves demand value
Specifications
Electrical Characteristics
| Operating Voltage | 150–240 V AC |
|---|---|
| Operating Frequency | 50/60 Hz |
| Operating Power | <6 VA |
Measurement Characteristics
| Measurement Type | Single-phase AC current |
|---|---|
| Current Transformer Ratio | 5/5 A to 995/5 A |
| Measuring Range (datasheet text) | 15 OmA – 5.5 A (unclear source notation) |
Protection & Control Characteristics
| High Current Setpoint | Adjustable |
|---|---|
| Low Current Setpoint | Adjustable |
| High/Low Current Fault Waiting Time | Adjustable |
| High/Low Current Automatic Reset Time | Adjustable |
| Inrush Multiplier and Time | Adjustable |
| Maximum Reset Count | Adjustable |
| Automatic Reset Function | Available |
| High/Low Current Hysteresis | Adjustable |
| Demand Value | Saved |
Output Characteristics
| Output Type | Relay output |
|---|---|
| Relay Rating | 5 A, 250 V resistive load |
Display Characteristics
| Display Type | LED |
|---|---|
| Display Configuration | 2 × LED display |
| Displayed Information | Current measurement and settings |
Operating Conditions
| Operating Temperature | -20°C to +55°C |
|---|---|
| Working Altitude | <2000 m |
Mechanical Characteristics
| Mounting | Panel mounting |
|---|---|
| Connection Type | Terminal connection |
| Panel Hole Size | 67 × 67 mm |
| Weight | 0.230 kg |
| Front Dimensions | 74.3 × 74 mm |
| Housing Depth | 56.7 mm |
| Front Bezel Depth | 7.7 mm |
| Terminal Extension | 12.7 mm |
Full certificate register
CE conformitySample
Download certificate for CE conformityISO certificationSample
Download certificate for ISO certification
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