The ABB 1SVR440721R0000 is a CL-LER.18DC2 expansion module for ABB's CL series of logic relays. It adds 12 digital inputs and 6 relay outputs to the base logic relay, expanding the I/O count for a control application. The module is powered from a 24 V DC supply, matching the base unit's control voltage.
1SVR440721R0000 ABB CL-LER.18DC2 Expansion Module, 24 V DC,
MPN1SVR440721R0000
ABB CL-LER.18DC2 Expansion for logic relays, 24 V DC, 12 digital inputs / 6 relay outputs, 0.220 Kg.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.220 Kg |
| Product type | CL-LER.18DC2 Expansion for logic relays |
| Dimension (lxwxh) | 5.8 x 10.75 x 9.0 cm |
| Voltage | 24 V DC |
| Number of digital in (Outputs) | 12 digital inputs / 6 relay outputs |
Product details
MPN
1SVR440721R0000