9 technical features, Technical features – CIRCUTOR MDC-20 User Manual
Page 55

MDC-20
User Manual
Page 55 of 58
9
TECHNICAL FEATURES
Power supply of the unit
Single-phase
85…264V~ / 120…300V
Frequency
50/60 Hz
Consumption
5…8VA (depending on the number of connected
relays)
Installation category
Category III according to EN 61010.
Double-insulated electric shock protection class II.
Inputs
Type
Potencial free contact - NPN
Insulation
Optoisolated
Duration of metering impulses
Minimum 50 ms
Time between impulses
Minimum 50 ms
Maximum frequency of impulses
10 Hz
Outputs
Type
Relay
Maximum power of operation
750 VA
Maximum voltage of operation
250 Vac
Maximum current AC1 (resistive load)
5 A
Electrical life (250 Vac / 5A)
3 x 10
4
operations
Mechanical working life
2 x 10
7
operations
Screen
Type
LCD, Alphanumeric, 2 lines of 20 characters, with backlight
Communications
Channels
1 Ethernet channel + 1 RS485 channel
Ethernet channel
Type
Ethernet 10BaseT / 100 Base TX self-detecting
Connector
RJ-45
Network protocols
HTTP/ Modbus RTU