RVA
MOTOR START POTENTIAL RELAY
PATENT PENDING
RVA potential relay is designed to start single-phase motors which employ both start and run capacitor
(CSR and CSIR configurations) for high starting torque.
The most frequent applications include air conditioning, commercial refrigeration, heat pump, etc.
The coil is energised by the potential of the start winding. When such voltage is raised up to the pickup
value, the contact will open and disconnect the start capacitor. The relay will remain energised until
the start winding voltage is removed or decreases to less than the drop-out value.

DESIGN DATA
Coils: Class “B” (130°C) insulation.
         See table for characteristics.
Contact rating: One Normally Close contact
                      RVA standard contact rating:
                      16A (make and break), 400V, cosj 0.85, 500,000 operations
                      35A (break only), 400V, cosj 0.85, 200,000 operations
RVAH high capacity contact rating:
                      50A (break only), 400V, cosj 0.85, 100,000 operations
Operation: See table for operating characteristics (dependent to mounting  position)
                 Specify operating position
                 For Normal pollution conditions (according to EN60730)
                 Approved for use with flammable gas, according to IEC 79-15
Terminals: Quick-Connect or screw M3.5 (see table)

Approvals: VDE 40002454
                 UL E51436
                 CSA LR55278-3

electrica_rva.pdf