MODEL: MRP4

MRP4 SPECIFICATIONS

ES-4824 Rev.13 Page 1/6

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

Final Control Elements

MINI-TOP ELECTRONIC ACTUATOR

(rotary type)

Functions & Features

• Small-size control valve actuator

• 1/1000 high resolution

• Easy adjustment: electronic limiter at the valve open &

closed positions

• Overload protection

• Various power inputs

Typical Applications

• Actuator for automatic control valve in pilotplants

• Air-conditioning in buildings or plants

• Micro-flow control for pharmaceutical injection

• For small-size control valves

MODEL: MRP4–[1][2][3][4]–[5][6][7]

ORDERING INFORMATION

• Code number: MRP4-[1][2][3][4]-[5][6][7]

Specify a code from below for each of [1] through [7].

(e.g. MRP4-14LT-A0R)

• Special input range (for codes Z and 0)

[1] SPAN

1: 45 to 90 degrees

2: 90 to 180 degrees

[2] OPERATION TIME, TORQUE

4: 7 seconds / 90°, 5 N·m

5: 13 seconds / 90°, 5 N·m

[3] SEQUENTIAL CONTROL SIGNALS

L: Full-open/-closed signal

F: Forced open/close signal

B: Full-open/-closed and forced open/close signals

(Select 'With Terminal Box.')

E: Full-closed/overload signal (Not selectable for CE)

0: Without

[4] TERMINAL BOX

T: With

0: Without

[5] INPUT

Current

A: 4 – 20 mA DC (Input resistance 250 Ω)

Z: Specify current (See INPUT SPECIFICATIONS)

Voltage

6: 1 – 5 V DC (Input resistance approx. 1 MΩ)

0: Specify voltage (See INPUT SPECIFICATIONS)

[6] CE MARKING

C: With

0: Without

[7] POWER INPUT

AC Power

K3: 100 – 120 V AC

(Operational voltage range 90 – 132 V, 47 – 66 Hz)

(Not selectable for CE)

L3: 200 – 240 V AC

(Operational voltage range 180 – 264 V, 47 – 66 Hz)

(Not selectable for CE)

DC Power

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

GENERAL SPECIFICATIONS

Degree of protection: IP66

Action: Direct or reverse; field selectable with DIP switches

(factory set to “reverse”)

(In “reverse” action, the output stem seen from the cover

turns counterclockwise with an input signal increase.)

Operation at abnormally low input: Counterclockwise turn,

clockwise turn or stop; field selectable with DIP switches

(factory set to“clockwise”)

Note: Counterclockwise or clockwise if seen from the cover.

Detectable input drop level: -16 ±2.5 %

Electrical connection

•Without terminal box

Wiring conduit: G 1/2 female; cable connector with 1 meter

•Terminal box

Wiring conduit: G 1/2 female (two)

Terminal screws: M3 pillar terminal

(Sequential control signal suffix code B)

M3 chromated steel