Products for USB Sensing and Control

Products for USB Sensing and Control


Unit 1 - 6115 4 St SE
Calgary AB  T2H 2H9
+1 403 282-7335

i-Snail-VC-50 AC Current Sensor 50Amp

ID: 3502_0

The i-Snail VC-50 measures up to 50 amps AC on a wire that passes through its window. Connects to an Analog Input or VINT Hub port.


Quantity Available: 130

Qty Price
5 $38.40
10 $36.80
25 $36.00
50 $35.20
100 $34.40

The i-Snail-VC is a self powered AC current transducer that provides a 0-5V dc analog signal proportional to the AC current flowing through the device wire window (sine wave RMS calibrated).

The i-Snail-VC is ideal for load monitoring without the need for an external power supply. Factory calibrated, fixed ranges ensure superior accuracy and eliminate configuration and adjustments in the field, saving time and avoiding confusion. Color coded labels allow for easy identification of full scale range.

The 13.7mm (0.54") wire window accommodates a conductor up to AWG #2. Multiple turns of the primary wire may be used to alter the input range. Output voltage is clamped at 6.5V, and the unit delivers a linear output up to 120% overload (6V).

Note: The i-Snail current transducer measures the current in a single AC wire (either the positive or the negative). If you put the whole cable through the window the + and - wires will cancel each other out and the sensor will read a null current value.


The formula for converting output voltage into AC Amps (RMS) is:

AC Amps (RMS) = V * 10

Comes packaged with

  • Mounting Hardware for flexible surface mounting

Product Specifications

Sensor Properties
Sensor Type Current (AC Through-Hole)
Controlled By Voltage Input (0-5V)
Sensor Output Type Non-Ratiometric
Input Current Min 0 A
Input Current Max 50 A
Current Measurement Resolution 50 mA
Measurement Error Max 0.5 %
Electrical Properties
Output Voltage Min 0 V DC
Output Voltage Max 5 V DC
Isolation Voltage (AC) 2.5 kV AC
Physical Properties
Material UL94V-0 ABS Plastic
Wire Window Size 13.7 m
Operating Temperature Min -40 °C
Operating Temperature Max 50 °C

Interface Boards and Hubs


This sensor can be read by any Phidget with an Analog Input or VINT Hub port. It will connect to either one using a Phidget cable. VINT Hub ports can behave just like Analog Inputs, but have the added flexibility of being able to be used as digital inputs, digital outputs, or ports to communicate with VINT devices. For more information about VINT, see the VINT Primer.

To connect the i-Snail sensor to a Phidget with an analog input or VINT port, use a 3-wire Phidget cable. See the Phidget Cables section below for further connection instructions.

Product Voltage Inputs
Image Part Number Price Number of Voltage Inputs Voltage Input Resolution
1010_0 $80.00 8 10 bit
1011_0 $50.00 2 10 bit
1018_2 $80.00 8 10 bit
1019_1 $115.00 8 10 bit
1203_2 $125.00 8 10 bit
DAQ1000_0 $20.00 8 12 bit
HUB0000_0 $30.00 6 (Shared) * 16 bit
SBC3003_0 $120.00 6 (Shared) * 16 bit

Phidget Cables

To easily connect this sensor to a Phidget we recommend you use a Phidget cable. just snip off the connector from one end of the Phidget cable and connect the white wire to the + terminal and the black wire to the - terminal. The red wire is not used. You can solder multiple cables together in order to make even longer Phidget cables, but you should be aware of the effects of having long wires in your system.

Product Physical Properties
Image Part Number Price Cable Length
3002_0 $2.00 600 mm
3003_0 $1.50 100 mm
3004_0 $3.00 3.5 m
3034_0 $1.50 150 mm
3038_0 $2.25 1.2 m
3039_0 $2.75 1.8 m

Have a look at our current sensors:

Product Sensor Properties
Image Part Number Price Sensor Type Controlled By Input Current Min Input Current Max Current Measurement Resolution
1122_0 $31.00 Current (AC/DC In-Line) VoltageRatio Input ± 75 mA ± 30 A
3500_0 $40.00 Current (AC Through-Hole) Voltage Input (0-5V) 0 A 10 A 10 mA
3501_0 $40.00 Current (AC Through-Hole) Voltage Input (0-5V) 0 A 25 A 25 mA
3502_0 $40.00 Current (AC Through-Hole) Voltage Input (0-5V) 0 A 50 A 50 mA
3503_0 $40.00 Current (AC Through-Hole) Voltage Input (0-5V) 0 A 100 A 100 mA
3511_0 $95.00 Current (DC In-Line) Voltage Input (0-5V) 0 A 10 mA
3513_0 $95.00 Current (DC In-Line) Voltage Input (0-5V) 0 A 1 A
3584_0 $40.00 Current (DC Through-Hole) ±12V Adapter 0 A 50 A 50 mA
3585_0 $40.00 Current (DC Through-Hole) ±12V Adapter 0 A 100 A 100 mA
3586_0 $40.00 Current (DC Through-Hole) ±12V Adapter 0 A 250 A 250 mA
3587_0 $40.00 Current (DC Through-Hole) ±12V Adapter -50 A 50 A 100 mA
3588_0 $40.00 Current (DC Through-Hole) ±12V Adapter -100 A 100 A 200 mA
3589_0 $40.00 Current (DC Through-Hole) ±12V Adapter -250 A 250 A 500 mA