Phase switch are available like so:

Grizzly G4573 Magnetic Switch, Single-Phase, 220V Only, 3 HP
Customer Reviews —
Editorial Reviews — ... Product Description | Our G8988 "paddle" type switch is a direct replacement for our machines and many others. With its removable safety "key" and large, easy to hit paddle, it is one of the safest switches you can have in your shop. If space is a problem, the G8989 keyed safety switch has all the features as the G8988, except it does not have the large "paddle". The G8992 "snap-in" magnetic safety switch with sealed buttons and "spade" type terminals is the perfect replacement or upgrade switch. The G8991...more

Cutler-Hammer Automatic Transfer Switch - 3 Phase, 1000 Amps, Model# SPC-1000-CH3
Feature: ... Three phase; 1000 Amps; NEMA-3R rated; U.S.A.; Model SPC-1000-CH3 ...more
Editorial Reviews — ... Product Description | Turn on your generator during power failure and keep appliances and lights working! Automatic transfer switch monitors incoming voltage from utility lines and immediately signals the generator when power is interrupted. Within seconds, your standby generator begins supplying electricity. Internal adjustment on this 3-phase switch allows voltage changeover by owner/installer to 120/208V, 120/240V, 277/480V or 347/600V. U.S.A. Amps: 1,000, Volts: 120/208V, 120/240V, 277/480V or 347/600V,...more

Digital LED Phase Rotation Indicator, 20-400Hz, SSP8030
Feature: ... Wide opreration voltage and frequency range; LED and buzzer indication; In full conformance with IEC-348; 90 days money back guarantee and one year limited warranty ...more
Editorial Reviews — ... Product Description | Indicates rotation direction of motor; ensures motor isn't damaged from incorporating wiring; tests phase orientation of three phase power sources; indicates phase orientation (clockwise or counter-clockwise) and whether each of three phases is live. Specifications: Operational Voltage: 200-480V AC 3 phase Time Limit for Continuous use: 60 minutes Max at 200V AV, 4 minutes Max at 480 V AC Operating frequency: 20 Hz to 400 Hz Withstand Voltage: 4000V for one minute. Dimensions: 80(L)X59(W)X23(D)...more

Cutler Hammer Single-Phase Automatic Transfer Switch - 300 Amps, Model# VT300ATS
Editorial Reviews — ... Product Description | Single-phase Cutler Hammer transfer switch senses a utility outage and automatically change over to an emergency power source (generator set). Switch comes in a...more

3 phase breaker/ switch 600volt 250-450 amp

SQUARE D 200 AMP 3 PHASE SAFTEY SWITCH HU364 CHEAP

Manual 3 Phase Transfer Switch Kraus & Naimer

SQUARE D FUSE DISCONNECT SWITCH 120/240 1 PHASE 200 amp

ASTEC MPR15 SINGLE PHASE 52 V SWITCH MODE RECTIFIER

60amp 600 volt 3 phase fused disconnect switch Square D

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