Modular device for DIN-EN 60715 TH35 rail mounting.
1 module = 18mm wide, 58mm deep.
Connection to the Eltako RS485 bus, terminals RSA and RSB.
Up to a total of 128 actuators can be added in this way.
State-of-the-art hybrid technology combines advantages of nonwearing electronic control with
high capacity of special relays.
The mains disconnection relay FFR12-12V DC interrupts the power supply of 1 or 2 circuits
and prevents interfering electromagnetic fields.
To enable zero passage switching in patented Eltako Duplex technology, L must normally
be connected to K(L) and N to (N). N may not be connected if a contactor is switched
downstream for the purpose of increasing performance.
The 12V DC supply voltage of the complete RS485 bus is mainly powered at 6W, 12W or
24W by a switch mode power supply unit SNT12-12V DC that is only 1 or 2 pitch units wide.
When both relays of the FFR12 are switched on, 0.5 watts are required.
Maximum current as the sum of both contacts 16A at 230V.
This mains disconnection relay is switched in the circuit distributor downstream of the
16A circuit breaker which protects up to two circuits in the room to be protected by mains
disconnection. For example, one circuit for the lighting and one circuit for the socket outlets.
The circuits are enabled and disabled manually using one or several stationary wireless pushbuttons
or hand-held wireless transmitters. Contact L-2 can store a switch-off delay of 10 to
90 minutes.
If a wireless pushbutton rocker is assigned to 'central ON' for the mains disconnection relay
and to 'ON' for the lighting, the mains disconnection relay is automatically cancelled when the
lighting is switched on.
If a wireless pushbutton rocker, e.g. a bedside light, is assigned with 'OFF' for the lamp and
'central OFF' for the mains disconnection relay, the mains disconnection is automatically activated
when the bedside lamp is switched off.
10 teach-in positions of the FFR12 plus the switch-off delay give the user plenty of scope to
define the settings the mains disconnection relay.
The LED
below the upper function rotary switch performs during the teach-in process according
to the operation manual. It shows control commands by short flickering during operation.
