Littelfuse DCSA20, DCSA Series, Current Transducer 0 ~ 20mA Input 4 ~ 20mA, 1 ~ 10VDC Output 10 ~ 30VDC DIN Rail
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The DCSA Series is a loop-powered, linear output current transducer that provides an output that is directly proportional to the RMS AC current passing through the LCSC10T12 sensor. The DCSA Series provides either an analog current or voltage: 4-20 mA, 1 to 5VDC, or 2 to 10VDC. Each unit is factory calibrated for monitoring (with the LCSC10T12 connected) in one of four ranges; 0-5, 0-10, 0-20, or 0-50A. Zero and span adjustments allow field calibration if needed. The DCSA Series mounts on both DIN 1 and DIN 3 rails.
Operation
The DCSA Series varies the effective resistance of its output in direct proportion to the current flowing in the conductor monitored by the LCSC10T12. Connecting the power supply to terminals C & D provides a 4 to 20mA DC current. Connect the power supply to terminals C & A to get 1 to 5VDC at terminal D. Connect the power supply to terminals C & B to get 2 to 10VDC at terminal D.
Features
Mounts on DIN 1 or DIN 3 rail
0-50A in 4 ranges using LCSC10T12 sensor
Loop powered from 10 to 30VDC
Linear output from 4-20mA, 1-10VDC
Zero & span adjustments
Separate sensor & control unit
*Minimum loop-power supply voltage equals the minimum sensor voltage 10VDC plus the voltage drop developed across all the other loop devices at 20mA.
Pre-order 6-8 Weeks
Specifications
Input | |
Ranges (without LCSC10T12 connected) 4 factory calibrated ranges in mA AC |
0 - 5mA, 0 - 10mA, 0 - 20mA, or 0 - 50mA AC |
Factory calibration | ±0.5% of full scale |
Repeat Accuracy | ±0.25% of full scale under fixed conditions |
Response Time | ≅ 300ms |
Temperature Coefficient | ±0.05%/°C |
Input to Output | Not isolated |
Output | |
Type | |
Analog | Current directly proportional to input current |
Range | 4 - 20mA, or 1 to 5VDC or 2 to 10VDC |
Supply Voltage* | 10 to 30VDC |
Momentary Voltage | 40VDC for 1m |
Zero Adjust | ≅ 3.75 - 4.25mA |
Span Adjust | 18mA - 22mA |
Adjustment | Mini-screw, multi-turn potentiometer |
Protection | |
Dielectric Breakdown | ≥ 2500V RMS terminals to mounting surface |
Insulation Resistance | ≥ 100 MΩ |
Polarity | Units are reverse polarity protected |
Mechanical | |
Mounting | DIN 1 & DIN 3 rail mounting |
Termination | |
Wire clamp | For 22 - 14AWG (.336 mm2 ... 2.5 mm2 ) |
Environmental | |
Operating/Storage Temperature | -30° to 60°C / -40° to 85°C |
Humidity | 95% relative, non-condensing |
Weight | ≅ 1.6 oz (45.4 g) |
Accessory - LCSC10T12 Toroidal Sensor | |
Number of Turns | 1000 |
Nominal Output Current | Full Range 0 - 50 mA |
Maximum Allowable Current | Steady 50A turns; Inrush 300A turns for 10s |
Burden | ≤ 0.5 VA |
Frequency | 0 - 20A / 21 - 50A 20/100 Hz / 30/100 Hz |
Sensor Hole | 0.36 in. (9.14 mm) for up to #4 AWG (21.1 mm2 ) THHN wire |
Weight | ≅ 1 oz (28.3 g) |