ZIPLink Stand-alone Relay Output Module: 4-pt (PN# ZL-RLS4-120)

Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A

Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)

GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC | Interface Board(FY-T734C-D24)

Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control

Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level

5Pcs 5V 4 Channel Relay Module Compatible With Arduino And ARM Boards

Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)

3Pcs 5V 4 Channel Relay Module Compatible With Arduino And Other Boards

Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)

750-669/000-003 WAGO Fail-Safe 4/4 Channel Digital Input/Relay Output

Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)

NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller

Relay Output Module: 4-pt, 24 VAC/VDC (PN# P1-04TEPS)

Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A

MSD Ignition 7566-4 MSD 4 Channel Relay Module

Argo ARM4P ARM-4P 4 Zone Expandable Switching Relay | Supplyhouse.Com

Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com

Io HVAC Controls IO-WRP 4 Channel Wireless Relay PLUS Kit | Supplyhouse.Com

Azel Technologies SP-84 4 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com

2972835 Phoenix Contact - Multiple Relay Module - UMK- 4 RM 24DC

Relay Output Module: 4-pt, 5-30 VDC/5-264 VAC (PN# P1-04TRS)

PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay