SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
7.2 Product description
SIRIUS Innovations
644 System Manual, 01/2011, A8E56203870002-03
3RA28 version overview
MLFB Function Output
Screw connection
3RA2811-1CW10 ON-delay, two-wire Thyristor
3RA2812-1DW10 OFF-delay with auxiliary voltage PowerMOS
3RA2813-1AW10 ON-delay 1 CO contact
3RA2813-1FW10 ON-delay 1 NO contact
1 NC contact
3RA2814-1AW10 OFF-delay with auxiliary voltage 1 CO contact
3RA2814-1FW10 OFF-delay with auxiliary voltage 1 NO contact
1 NC contact
3RA2815-1AW10 OFF-delay without auxiliary voltage 1 CO contact
3RA2815-1FW10 OFF-delay without auxiliary voltage 1 NO contact
1 NC contact
Spring-loaded connection
3RA2811-2CW10 ON-delay, two-wire Thyristor
3RA2812-2DW10 OFF-delay with auxiliary voltage PowerMos
3RA2813-2AW10 ON-delay 1 CO contact
3RA2813-2FW10 ON-delay 1 NO contact
1 NC contact
3RA2814-2AW10 OFF-delay with auxiliary voltage 1 CO contact
3RA2814-2FW10 OFF-delay with auxiliary voltage 1 NO contact
1 NC contact
3RA2815-2AW10 OFF-delay without auxiliary voltage 1 CO contact
3RA2815-2FW10 OFF-delay without auxiliary voltage 1 NO contact
1 NC contact
Plug-in, without terminals
3RA2816-0EW20 Star-delta (wye-delta) function module 2 NO contacts
(internal)
3RA2912-0 Star-delta (wye-delta) basic module —
3RA2911-0 Star-delta (wye-delta) coupling module 1 NO contact
(internal)
3RA2910-0 Sealable cover cap —
The 8th digit of the MLFB designates the terminal type:
0: No terminals
1: Screw-type terminals
2: Spring-loaded terminals
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