MODEL: MUWT

MUWT SPECIFICATIONS

ES-1926 Rev.3 Page 2/5

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

Suffix code 3 has been discontinued. Select code 4 instead.

4: Power photo MOSFET relay

[5] POWER INPUT

AC Power

B: 100 V AC

C: 110 V AC

D: 115 V AC

F: 120 V AC

G: 200 V AC

H: 220 V AC

J: 240 V AC

DC Power

S: 12 V DC

R: 24 V DC

V: 48 V DC

P: 110 V DC

[6] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Voltage input to current input to DC output to

pulse output to power

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

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

Span adjustment(DC output): 95 to + 105 % (front)

INPUT SPECIFICATIONS

Frequency: 50 or 60 Hz

• Current Input

Operational range: 0 – 120 % of rating

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

sec., 120% continuous

• Voltage Input

Operational range: 0 – 120 % of rating

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

continuous

■ How To Determine Wattage Range

Calibration Range [W] = Measuring Wattage ÷ ((VT Ratio) ×

(CT Ratio))

Check that the required calibration range is within the

available range in the table. Specify this range when

ordering.

[example]

3-phase / 3-wire, measuring wattage 750 kW,

VT 3300/110 V, CT 250/5 A

• 3-phase / 3-wire

VOLTAGE INPUT CURRENT INPUT

STD

RANGE

AVAILABLE

RANGE

BURDEN

BURDEN

110V 0.2VA×2

1A

0.1VA×2

±200W ±100W – ±240W

5A

0.5VA×2 ±1000W ±500W – ±1200W

220V 0.4VA×2

1A

0.1VA×2

±400W ±200W – ±480W

5A

0.5VA×2 ±2000W ±1000W – ±2400W

• Single-phase / 2-wire

VOLTAGE INPUT CURRENT INPUT

STD

RANGE

AVAILABLE

RANGE

BURDEN

BURDEN

110V

0.2VA

1A

0.1VA

±100W

±50W – ±120W

5A

0.5VA

±500W

±250W – ±600W

220V

0.4VA

1A

0.1VA

±200W

±100W – ±240W

5A

0.5VA

±1000W

±500W – ±1200W

• Single-phase / 3-wire

VOLTAGE INPUT CURRENT INPUT

STD

RANGE

AVAILABLE

RANGE

BURDEN

BURDEN

100/

200V *1

0.2VA×2

1A

0.1VA×2

±200W

±100W – ±240W

5A

0.5VA×2 ±1000W

±500W – ±1200W

100/200V: 100V = phase voltage

200V = line voltage except the grounding.

OUTPUT SPECIFICATIONS

■ DC Output

• DC Current: 0 – 20 mA DC and ±1 mA

Minimum span: 1 mA

Offset: ≤ 1.5 times span

Load resistance: Output drive 12 V max.; 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

■ Pulse output: Frequency output proportional to the input;

0 – 2.777 Hz typical; 0 Hz at 0 W (cutout at approx. 0.5 – 1.0

%); max. 27.77 Hz at 100 % input

• Power Photo MOSFET Relay

Rating: 120 V AC/DC @ 100 mA (resistive load)

Max. ON resistance: 10 Ω

• Open Collector