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viasis 3003 user manual
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10.3.3
Technical data – solar module
Solar module technology
polycrystalline photovoltaic cells
Dimensions in mm
690 x 690 x 36
Nominal power
50 Watt
Nominal-/Open clamp voltage
12V= / 21,7V=
Weight without/with fixation
6.3kg / 13.3kg
10.3.4 Technical data – low voltage relays
The relay board(s) and connector terminals are placed in an add-on housing on the viasis back
plate. Information to connection schema, cable gland, etc. see manual sisrelais_216_e.pdf. In
total 2 relay boards with 7 relays can be controlled by the viasis.
Maximal assembly per board
7 mono stable changeover contact relays
(SPDT)
Terminal connections
4 x 3 (open, close, common contact)
Max. switched voltage and power
400V~/150V=, 2000VA/192W
Max. switched current
10A~/10A=
Dielectric strength (1 minute)
1 kV/5kV between contacts/contact to coil
Isolation transient over voltages
10000 VAC (for 1.2 x 50µs
Max. on/off switch time
10ms/5ms
Contact material
Gold plated silver-alloy
Minimal switch load
10 mA @ 5VDC
Attention:
- Relays shall not be used to switch inductive or capacitive loads,
see chapter 10.3.4. If these loads are switched sparking occurs
while the mechanical contacts are opened or closed, what will
destroy the contacts surface in short time.
- The gold plating of the relays evaporates at high switching pow-
er, afterwards the relay cannot be used to switch small signals
reliably anymore.
10.3.5 Technical Data – MOSFET power transistors
The MOSFET power transistor boards and connector terminals are placed in an add-on hous-
ing on the viasis back plate. Information to connection scheme, cable glands, etc. see manual
sisrelais_216_e.pdf. In total 2 boards with 7 MOSFET high current transistors can be con-
trolled by the viasis.
1
Currently used module type and power may change, please ask.
