Factory-built substations, packaged substations, substation storm-hardening & pre-fabricated bus, all using 3D engineering & design. DIS-TRAN builds your substation in the factory and ships it to you complete and ready to set into place and energize!

Protective relay & circuit breaker test instruments; Insulation analyzers; SFRA; DGA & Partial Discharge monitors. NEW: F8 power system simulators!

Doble offers products from the following subsidiaries: Vanguard Instruments, Morgan Schaffer, Manta Test Systems, Enoserv

Substations & High Voltage: turnkey, unitized & modular substations, mobile substations.
Switchgear: metal enclosed, medium voltage, full range of custom options. Pad-Mt Primary Metering.
Capacitor & Harmonic Filter Banks: metal enclosed, medium voltage, full range of custom options.
Custom transformers and reactors. Custom, metal enclosed products and packages.

Solid dielectric and SF6 switchgear; Reclosers; Automatic-Transfer Controls and fault interrupters; cable terminations & joints; epoxy products including encapsulated switches, current limiting fuses, junction bars, apparatus bushings, transition modules, and splice boxes. NEW: Viper-HV 72kV Recloser!

Power transformers and shunt reactors, up to 765 kV 2050 kV BIL, 2,200 MVA capacity. Gas Insulated Switchgear up to 800 kV. NEW: Battery Energy Storage Systems (BESS); STATCOM; New transformer factory in Tennessee.

Wide range of instrument transformers in accordance with IEEE STD C57.13. High Voltage station service transformers up to 167kVA at 138kV.

Complete line of single & three phase power quality recording hardware and software. NEW: Seeker, advanced power quality with communication and digital I/O. One size fits all PQ solution!

Substation hook-stick operated disconnect and 3-phase group-operated disconnect switches; complete line of power connectors. NEW: 5000 double end break and aluminum side break switches.

Comprehensive generator, transmission, and distribution protection; distribution automation; control systems; telecommunications; precision timing; custom panels and enclosures; custom engineering services. NEW: Blueframe DMA & FLISR; SEL-T401L Ultra-High-Speed Line Relay; RTAC Axion Bay Controller w/ touchscreen; SEL-735 Touchscreen PQ Meter!

Hot-line Meters measure current to 5000A in environments of 500kV, voltage up to 37,000V, direction of current flow, and power factor. Recorders for primary load and power quality studies.

SCADA, Distribution Management (DMS), Outage Management (OMS) & Substation HMI. NEW: FLISR (Fault Location, Isolation, Restoration); GIS Wizard; SmartVU 3.0 with advanced OMS & DMS.

Intelligent video monitoring solutions (security; asset monitoring; video automation) designed specifically for electric utilities. Substation hardened digital video servers; cameras (IP, thermal); video management software and advanced video analytics technology for automated asset management. NEW: IM500 touchless substation monitoring.

Cardinal© and Harley© pumps and exchangers; cooling systems for transformers and generators.