Cut Sheet

© 2016 Littelfuse Protection Relays & Controls
www.littelfuse.com/
Rev: 1-A-062716
Protection Relays
Current Monitoring Relays and Transducers
www.littelfuse.com/dcsa
DCSA SERIES
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 mm
2
... 2.5 mm
2
)
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 mm
2
) THHN wire
Weight ≅ 1 oz (28.3 g)
*Minimum loop-power supply voltage equals the minimum sensor voltage 10VDC plus the
voltage drop developed across all the other loop devices at 20mA.
Monitored Current Amps Diagram
4 12 20
mA
A
50, 20, 10, 5
25, 10, 5, 2.5
0
Monitored
Current
Amps
2
1
6
3
10
5
VDC
Output