Eaton Heavy Duty Hesitation Switches
Antiplugging, Hesitation, Positive Stop or Positive Off Switch.
The most common application for the Eaton Heavy Duty Hesitation is to help prevent motor damage resulting from the high current generation by counter EMF of the armature at the time of reversing. This type of device is referred to as an anti-plugging, hesitation, positive stop or positive off switch.
One-Hole Panel Mount: These heavy duty toggle switches are available in either two- or three-position. The three-position switches offer a unique positive center stop feature, which assures that the lever cannot be thrown from one side through the center OFF position without stopping. This design feature is a major
factor in their widespread acceptance for motor reversing and speed control applications.
Flush Mount: These three-position switches also offer the positive center stop feature where the lever cannot be thrown from one side through the center OFF position without stopping. The high ratings of this series allow it to be used with a broad range of heavy duty applications. Copper contacts and brass screw terminals are standard.
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Contact Mechanism - - One-Hole Panel Mount Flush Mount AC rated devices—slow-make/Slow-break butt contact Quick-make/quick-break wiping contacts AC/DC rated devices—Quick-make/quick-break wiping contacts - - - Contact Material - - One-Hole Panel Mount - AC Rated Devices: AC/DC Rated Devices: Movable: Silver-plated copper with fine or coin silver contact face button Movable: Copper Stationary: Copper with fine or coin silver contact face button Stationary: Bronze - - Flush Mount - Movable: Cooper - Stationary: Cooper - - - Terminal Types Screw terminals-brass - - - Mounting Means - - One-Hole Panel Mount - AC Rated Devices: - Threaded bushing--0.468 in (11.89 mm) dia. 32/threads/inc - Keyway--0.068 x 0.035 in (1.73 x 0.89 mm) deep, provide anti-rotation feature - - - Hardware supplied: 1 hexagon locknut (catalog number 15-192) and 1 hex facement (catalog number 15-066-6) - Furnished unassembled - - - Flush Mount Flush mounting panel tabs -
Circuits 2PDT, 3PDT, 4PDT; maintained action - Dielectric Withstand 1000V rms minimum - Ratings Refer to brochure; Switch ratings at 12Vac also supply to 28Vdc -
Operating Temperature Range –17.8°C to +65.6°C -
Features: - - High ratings of Flush Mount series allow for use with a broad range of heavy duty applications - Positive center stop feature assures that the lever cannot be thrown from one side through the center OFF position without stopping - Hardware can be supplied, eliminating additional costs of purchasing components - - - Options - - Flush mount - One-hole panel mount -
Standards and Certifications - - UL recognized (except where noted) - CSA certified (where noted) -
Most common is to help prevent motor damage resulting from the high current generation by counter EMF of the armature at the time of reversing This type of device is referred to within the industry as an antiplugging, hesitation, positive stop or positive off switch - - Typical applications include: - - Bench Tools - Coach and Truck (electric lift) - X-Ray Equipment
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