- WB-MR3LV/K(I), WB-MR6LV/K(I) - 3- and 6-channel general purpose relay modules with switchable contact group
- WB-MR3LV/S, WB-MR6LV/S - very powerful 3- and 6-channel normally open relay modules
- [[WB-MRPS6 Modbus Relay Modules|WB-MRPS6] ] - powerful 6-channel relay module without inputs
- WB-MRWL3 - very powerful 3-channel relay module
- WB -MR6C v.2 — 6-channel relay module
- WB-MR6C v.3 — 6-channel relay module with built-in power supply
*WB-MR6C/NC — 6-channel relay module with normally closed contacts
- [[WB-MR6CU v.2 Modbus Relay Modules|WB-MR6CU v.2] ] — compact relay module 6-channel
- WB-MRM2-mini v.2 - compact 2-channel relay module
- WB-MRWM2 - powerful 2-channel relay module with 'power measurement '
