MODEL: LRP

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

LRP SPECIFICATIONS

ES-1977 Rev.15 Page 2/5

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Stand-alone; terminal access at the front

Connection: M3.5 screw terminals (torque 0.8 N·m)

Screw terminal: Nickel-plated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Voltage input to current input to output to

auxiliary power

Computation: Time division multiplication

Overrange output: Approx. -10 to +120 % at 1 – 5 V

Zero adjustment: -5 to +5 % (front)

Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS

Frequency: 50 or 60 Hz

• Voltage Input

Operational range: 0 – 120 % of rating

Overload capacity: 150 % of rating for 10 sec., 120 %

continuous

• Current Input

Operational range: 0 – 120 % of rating

Overload capacity: 1000 % of rating for 3 sec., 200 % for 10

sec., 120% continuous

■ How To Determine Var Range

Calibration Range [var] = (Measuring Range) ÷

((VT Ratio) × (CT Ratio))

Check that the required calibration range is within the

available range in the table.

[example]

3-phase / 3-wire, measuring range 75 kvar,

VT 220 / 110 V, CT 250 / 5 A

INPUT

AVAILABLE

BURDEN (VA)

STD.RANGE

RANGE

VOLT.

CURR.

110V/1A

200 var

100 – 240 var

0.2

0.1/ph

110V/5A

1000 var

500 – 1200 var

/phase

0.5/ph

220V/1A

400 var

200 – 480 var

0.4

0.1/ph

220V/5A

2000 var

1000 – 2400 var

/phase

0.5/ph

■ INPUT RANGE

•3-phase / 3-wire

•3-phase / 4-wire

INPUT

AVAILABLE

BURDEN (VA)

STD.RANGE

RANGE

VOLT.

CURR.

1

1

.

0

V

0

1

/1A

200 var

100 – 240 var

√

e

s

a

h

p

/

1

.

0

3

1

5

.

0

e

s

a

h

p

/

V

0

1

/5A 1000 var

500 – 1200 var

√

e

s

a

h

p

/

3

1

.

0

V

0

9

1

/1A

350 var

175 – 420 var

√

e

s

a

h

p

/

2

.

0

3

5

.

0

e

s

a

h

p

/

V

0

9

1

/5A 1750 var

875 – 2100 var

√

e

s

a

h

p

/

3

1

.

0

V

0

2

2

/1A

400 var

200 – 480 var

√

e

s

a

h

p

/

3

.

0

3

5

.

0

e

s

a

h

p

/

V

0

2

2

/5A 2000 var

1000 – 2400 var

√

e

s

a

h

p

/

3

1

.

0

V

0

8

3

/1A

700 var

350 – 840 var

√

e

s

a

h

p

/

4

.

0

3

5

.

0

e

s

a

h

p

/

V

0

8

3

/5A 3500 var

1750 – 4200 var

√

e

s

a

h

p

/

3

OUTPUT SPECIFICATIONS

■ DC Current: -10 – + 20 mA DC

Span: Min. 1 mA, max. 20 mA

Offset: Max. 1.5 times span

Load resistance: Output drive 12 V maximum; 10 V for [±]

output

■ DC Voltage: -10 – +12 V DC

Minimum span: 5 mV

Offset: Max. 1.5 times span

Load resistance: Output drive 1 mA max. at ≥ 0.5 V