Technical Data; Versions, Servomotor Product Numbers And Corresponding Pump Types; General Data; Electrical Data - Grundfos ATEX Serie Instructions

4. Technical data

4.1 Versions, servomotor product numbers and
corresponding pump types
A servomotor kit includes servomotor, console and mounting
material. A spare servomotor is delivered without console and
mounting material.
For pump type
Servomotor
(single-head)
DMH 251-253,
384-511
DMH 280-281
DMH 254-255,
384-513
DMH 283-288
DMH 257,
384-514
DMH 285-288

4.2 General data

• Permissible ambient temperature: 0 °C to +60 °C
• Permissible air humidity: max. relative humidity:
70 % at 40 °C, 90 % at 35 °C.
• Turning angle: 270 °
• Actuating time: 90 s
• Enclosure class: IP65
• Ex protection: II2G Ex d IIC T6 Gb
• With mounting console
Feedback potentiometer versions
Single potentiometer 1000 Ω
•
Electronics for current signal control
• Input for 4-20 mA current signal

4.3 Electrical data

Rated current
Supply voltage
115-230 V, 50/60 Hz 0.1-0.22

4.4 Dimensional sketches

4.4.1 Servomotor range 384-511 to 513
Fig. 1 Servomotor range 384-511 to 513
Servomotor range
384-511, 115-230 V
384-512, 115-230 V
384-513, 115-230 V
Measurements in mm.
6
Servomotor kit
Pump type key,
with mounting
control variant
console
96624757
D6 96624761
96624765
Power consumption
[A] [W]
25
L3
297
278
273
Spare servomotor Control variant
98711374
Current signal 4-
98711374
20mA
98711374
Supply voltage
115-230 V, 50/60 Hz