Siemens SIRIUS 3RT Series System Manual page 644

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