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14. Technical data
Ambient temperature
• During operation: –20°C to +60°C
(must not be exposed to direct sunlight).
• In stock: –25°C to +85°C.
• During transportation: –25°C to +85°C.
Relative air humidity
From 5% to 95%.
Materials
Enclosure class: IP 20.
Plastic type: Black PC / ABS.
15. Electrical data
Supply voltage
100-480 VAC, 50/60 Hz.
Current consumption
Max. 5 W.
Short-circuit rating
Suitable for use on a circuit capable of delivering not
more than 15000 RMS symmetrical amperes, 480 V
maximum.
15.1 Outputs
Trip relay
Signal relay
15.2 Inputs
Input for PTC/thermal switch
Input for Pt100/Pt1000 sensor
15.3 Insulation measurement method
The insulation resistance is measured applying a
rectified alternating voltage. The test voltage can
therefore not be measured using an ordinary volt-
meter.
The open-circuit test voltage is calculated as follows:
Example:
The MP 204 is connected to 3 x 400 V.
Voltage category III
Insulation voltage
400 V (to all other
terminals)
Insulation test voltage 4 kVAC
Max. load
400 VAC, 2 A, AC-15/
24 VDC, 2 A, DC-13,
L/R = 40 ms
Min. load 5 V/10 mA
Max. load power AC/DC 400 VA/48 W
Contact type
NC (normally closed
contact)
Voltage category III
Insulation voltage
400 V (to all other
terminals)
Insulation test voltage 4 kVAC
Max. load
400 VAC, 2 A, AC-15/
24 VDC, 2 A, DC-13,
L/R = 40 ms
Min. load 5 V/10 mA
Max. load power AC/DC 400 VA/48 W
Contact type
NO (normally open
contact)
Voltage category IIl
Insulation voltage
400 V (to all other
terminals)
Insulation test voltage 4 kVAC
Output voltage
(open contact)
5 V
Output current
(closed contact)
2 mA
Voltage step
from high to
low
2.0 V
Equivalent external load 1.5 kΩ
Voltage step
from low to
high
2.5 V
Equivalent external load 2.2 kΩ
Input filter time 41 ±7 ms
Voltage category II
Insulation voltage
50 V
(to system earth)
Insulation test voltage 700 VDC
Temperature range 0-200°C
Sensor type
Screened 2- or 3-core
cable
Sensor current (Pt100) 2.5 mA
Sensor current (Pt1000) 0.25 mA
Mains frequency suppres-
sion
50-60 Hz
Filter times:
Integration time 100 ms
Reading interval 400 ms
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