| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2900313 | RELAY GEN PURPOSE SPST 50MA 24VGeneral Purpose with Socket Relay SPST-NO (1 Form A) DIN Rail | Phoenix Contact |
| 2 | SRSI24AC/DC | RELAY SOCKET TB 6-24VAC DCRelay | B&B SmartWorx, Inc. |
| 3 | SY4S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 4 | 2-1415898-4 | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | G6BU-1114P-US-DC12 | RELAY GEN PURPOSE SPST 5A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | S2EB-48V | RELAY GEN PURPOSE 4PST 4A 48VGeneral Purpose Relay 4PST-NO/NC (2 Form A, 2 Form B) 48VDC Coil Through Hole | Panasonic Electric Works |
| 7 | PQ1A-12V | RELAY GEN PURPOSE SPST 5A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Panasonic Electric Works |
| 8 | HF | HOLD DOWN SPRING FOR S411/D411BClip, Hold Down D411B and S411 Sockets | Carlo Gavazzi Inc. |
| 9 | CB1AH-T-D-M-24V | CB RELAY HR 1 FORM A 24V | Panasonic Electric Works |