GE Multilin 139 Series Motor Protection Relays were formally sold under Multilin which was a division of Derlan Manufacturing. These relays are made to monitor and protect 3 phase AC Motors

Part Number	Description	Stock Level
139-120V	General Electric 139 Multilin Series 139-120V Motor Protection GE Relay	In Stock Ships 3-5 Days
139-DO-FLC	Motor Protection Relay 139-DO-FLC Multilin GE 139 Series	In Stock Ships 3-5 Days
139-DO-NFS-FLC	General Electric Three Phase Motor Protection Relay 139-DO-NFS-FLC 139 Multilin Relay	In Stock Ships 3-5 Days
139-H-FLC	General Electric 139-H-FLC Relay for Three Phase Motor Protection 139 Relay	In Stock Ships 3-5 Days
139-NSF-V-TC	Three Phase Motor Protection GE Relay 139-NSF-V-TC Multilin	In Stock Ships 3-5 Days
139-V-FLC	Multilin GE 139 Motor Protection Relay Series for Three Phase AC Motor Protection 139-V-FLC	In Stock Ships 3-5 Days
139-V-TC-FLC	Model 139 General Electric Multilin Relay for Motor Protection 139-V-TC-FLC	In Stock Ships 3-5 Days