© 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

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

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