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© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com

SE0205_ZCT • 9/18/2015

Sensors – ZCT Series Zero-Phase Current Transformers

Dimensions in mm

Spare solder

<5>

H

L

D3

H

(4.1)

5.0 ± 0.3*

D2

Pin

MR-1, 2, 3, 4

MR-1-P5

Product Name

D1 (Minimum)

D2 (Maximum) D3 (Maximum)

D4

H (Maximum)

L (±3.0)

MR-1

7.2

19.3

22.4

(5.0)

8.3

45.0

MR-2

8.9

21.8

24.7

(5.0)

8.3

80.0

MR-3

11.0

28.0

30.5

(6.0)

10.5

67.0

MR-4

16.5

32.0

34.5

(7.0)

10.8

67.0

MR-1-P5

7.4

19.3

21.8

(8.0)

8.5

―

Pin: φ0.8 mm Pin connectors.

* Pin root diameter.

Environmental Compliance

All ZCT sensors are RoHS compliant.

Table 1 – Ratings & Part Number Reference

Part Number

Minimum

Output Voltage

(mV)

Temperature

Characteristics

(-20ºC to 80ºC)

Maximum

Overinput

Characteristics

(After DC5A

Input)

Measurement

Conditions

MR-1

8

±10%

10%

f = 60 Hz

R = 300 Ω

lo = 22.5 mA

MR-2

MR-3

MR-4

MR-1-P5

R = Load resistance

lo = Detection current