MODEL: KEWT

KEWT SPECIFICATIONS

ES-3666 Rev.6 Page 3/6

http://www.m-system.co.jp/

approx. 2 W (18 mA at 110 V)

Operating temperature: -10 to +55°C (14 to 131°F)

Operating humidity: 30 to 85 %RH (non-condensing)

Mounting: Surface or DIN rail

Weight: 450 g (0.99 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.5 % (at 23°C ±10°C or 73.4°F ±18°F,

45 – 65 Hz)

Response time: ≤ 2 sec. (0 – 100 % ±1 %)

Ripple: 0.5 %p-p max.(The output ripple may increase when

there is great difference between the frequencies of input

signal and power supply)

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 2000 V AC @ 1 minute

(voltage input to current input to output to auxiliary power

to ground)

Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV

(input to output or ground)

CONNECTION DIAGRAM

v

LOAD

1

2

3

SOURCE

P2

V

P1

U

v

u

FUSE

VT

V

v

P3

U

u

k

l

CT

L

K

1L

1S

3L

3S

k

l

L

K

3

4

9

5

7

8

6

+

–

1

2

OUTPUT

■ 3-PHASE/3-WIRE

■ SINGLE-PHASE/2-WIRE

LOAD

1

2

SOURCE

P2

V

P1

U

u

FUSE

VT

k

l

CT

L

K

1L

1S

5

6

7

8

■ SINGLE-PHASE/3-WIRE

LOAD

1 N 2

SOURCE

P0

V

P1

U

v

u

FUSE

VT

V

v

P2

U

u

k

l

CT

L

K

1L

1S

2L

2S

k

l

L

K

3

4

9

5

7

8

6

10

11

U(+)

V(–)

*CT Protector (model: CTM) attached to these terminals.

*CT Protector (model: CTM) attached to these terminals.

*CT Protector (model: CTM) attached to these terminals.

10

11

U(+)

V(–)

+

–

1

2

OUTPUT

+

–

1

2

OUTPUT

10

11

U(+)

V(–)

*

*

*

*

*

**The transducer can be powered from the input voltage

when the voltage is sufficiently stable and meets within

the range of auxiliary power supply of the unit specified

in the data sheet/instruction manual.

AUXILIARY POWER**

AUXILIARY POWER**

AUXILIARY POWER**