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The 350 series is a heavy-duty voltage monitor. This product should be used when high-current relays or dual contacts are required or when 480 V controls are used. Since the 350 series uses heavy-duty relays, it comes in fixed-voltage range models rather than a dual, auto-ranging version like the 250 model. The 350 microcontroller-based family of products offers highly advanced solutions to heavy-duty problems at a low cost. This series includes advanced single LED diagnostics with five different light patterns to distinguish faults and normal operating conditions. Other options such as high-voltage trip and adjustable restart delay are also available.
Series 350 models include the 350-200, which has a 15 A general purpose contact. The 350-400 provides an SPDT (Form C) relay rated to switch up to 600 V, allowing the use of 480 V controls and eliminating the need for a control power transformer to step the voltage down to 120–240 V. Several DPDT (two Form C contacts) relay models are also available.
- Proprietary microcontroller-based circuitry
- Advanced LED indication
- Adjustable restart delay (-2 models) settings
- 600 V rated relay contacts available on some models
- Constantly monitors three-phase voltage to protect against harmful line conditions even before the motor is started
- Provides diagnostics that can be used for troubleshooting and to determine relay status
- Allows staggered start-up of multiple motors after a fault to prevent a low-voltage condition
- Eliminates the need for a control transformer to step voltage down to 120–240 V for a control circuit
350 Parts
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Filters
350 Applications
- For use when high-current relays or dual contacts are required or when 480 V controls are used
