The M-0359 Syncrocloser¨ Check Plus Relay is used as a permissive relay for secure reclosing of a circuit breaker by verifying that voltage and phase angle conditions are within pre-set limits before allowing the breaker to close. The M-0359 uses phase angle/slip frequency to verify synchronism to provide rapid restoration with the smallest possible angle settings without a time delay. Analog outputs of phase angle, bus voltage, line voltage, DV and DF are provided for SCADA system interface.

• Enhances system stability when applied to transmission and primary distribution reclosing schemes.
• Detects a static phase angle across an open breaker in 0.5 sec. to assure a fast permissive for reclosure.
• Simultaneously measures voltage magnitudes to ensure that they are within upper, lower, and difference limits.
• Includes dead line/dead bus closing features.
• Remote command widens the phase angle setpoint to respond to system emergencies or to narrow the setpoint of the two systems are isolated to close the breaker very close to 0°.
• Transducer analog outputs are SCADA compatible.

Sales and Service

For sales and service information contact your local representative or contact the factory:

E-mail: sales@beckwithelectric.com
Call (727) 544-2326 or Fax (727) 546-0121