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Operating Instructions
Power pack SINEAX B 840
The following symbols in the Operating Instructions
indicate safety precautions which must be strictly
observed:
Contents
1. Read first and then ... ................................................... 6
2. Brief description ............................................................ 6
3. Technical data ............................................................... 6
4. Mounting ....................................................................... 6
5. Electrical connections ................................................... 7
6. Commissioning and maintenance ................................ 7
7. Releasing the instrument .............................................. 7
8. Dimensional drawing ..................................................... 7
1. Read first and then ...
The proper and safe operation of the device
assumes that the Operating Instructions is
read carefully and the safety warnings given
in the various Sections
4. Mounting
5. Electrical connections
are observed.
The device should only be handled by appropriately
trained personnel who are familiar with it and authorised
to work in electrical installations.
2. Brief description
The power supply unit SINEAX B 840 provides the DC power
supply for 2-wire transmitters. There are 4 power supply
outputs available. Each power supply output is monitored by
a green LED. The corresponding green LED is continuously
lit when the measuring / supply circuit is closed.
3. Technical data
Input circuit (MSK)
Signal range:
4 ... 20 mA with 2-wire transmitter
Supply voltage:
Input circuit 24 V DC ± 7%
Current limiter ≤ 25 mA
6
Power supply
Nominal voltage:
115 V AC, ± 10%, 50/60 Hz
230 V AC, ± 10%, 50/60 Hz
Power input
≤ 10 VA with 4 outputs
Safety
Protection class:
II (protection isolated, EN 61 010)
Housing protection:
IP 40 (test wire, EN 60 529)
Terminals protection:
IP 20 (test finger, EN 60 529)
Pollution degree:
2
Installation category:
III
Rated insulation voltage
(versus earth):
230 V power supply
40 V output
Installation data
Mechanical design:
Housing P13/70
Material of housing:
Lexan 940 (polycarbonate),
flammability Class V-0 acc. to
UL 94, self-extinguishing, non-
dripping, free of halogen
Mounting position:
Any
Mounting:
For rail mounting
Electrical connections
Connection:
Screw-type terminals with indirect
wire pressure
Permissible cross
section of the
connection leads:
≤ 4.0 mm
2 × 2.5 mm
Environmental conditions
Operating temperature: – 10 to + 55 °C
Storage temperature:
– 40 to + 70 °C
Relative humidity of
annual mean:
≤ 75%
4. Mounting
The SINEAX B 840 can be mounted on a top-hat rail.
Note "Environmental conditions" in Section
"3. Technical data» when determining the place
of installation!
24 V AC, ± 10%, 50/60 Hz
2
single wire or
2
fine wire
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