The Type HMA relay is an instantaneous auxiliary device whose contacts are opened and closed by the movement of a hinged armature. Type HMA Century Series auxiliary relays are designed to provide additional contacts, higher contact carrying and interrupting ratings, timing, interlocking, electrical separation and other auxiliary functions.
GE 125VDC HMA CONTROL RELAY Y FOR VB MODEL 0, 1, 2, 3 National Switchgear stocks GE 125VDC HMA CONTROL RELAY Y. Order online or contact us! Create a customer account for discounted prices and other great benefits. (800) 322-0149 Forward IE Bulletins 76-02 & 76-03: Relay Coil Failures The first relay changed was the HMA followed by the H1GA and HFA. Black was chosen for the color of Lexan spools to make them distinguishable from the nylon. Since the initial report of open circuited HMA coils, tho failures of auxiliary relays has been very limited. However, recently one … Main Contactor Relay - NCAT 1087 & 1275 Series | HMA Lab Main Contactor Relay NCAT 1087 & 1275 Series NC-2620
NRC: Bulletin 76-02: Relay Coil Failures - GE Type HFA
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The Type HMA relay is an instantaneous auxiliary device whose contacts are opened and closed by the movement of a hinged armature. Type HMA Century Series auxiliary relays are designed to provide additional contacts, higher contact carrying and interrupting ratings, timing, interlocking, electrical separation and other auxiliary functions. WEG Motor Thermistor Relays from HMA Flow & Industrial protect motors against thermal overload, such as caused by insufficient cooling, heavy-load starting conditions, undersized motors, increased switching frequency, single-phase operation, high ambient temperature, break operation, and unbalance, etc. PTC temperature sensors are incorporated in the motor windings to measure motor heating, allowing for direct control via the thermistor relay. HMA-3V50E up to 50A, 24-277 VAC max, 4-20mA activated HMA-3V90E up to 90A, 24-277 VAC max, 4-20mA activated * Pre-installed = Solid state relay + thermal transfer pad or thermal grease + 2 mounting screws + torqued to 20-25 inch pounds + the heat sink shown.