Panasonic Industrial Devices HE-A General Power Relays are high-capacity relays that can achieve 90A maximum switching current (inductive) and 110A carry current. These power relays include an optional normally closed auxiliary contact for contact position monitoring and weld detection. The HE-A power relays also include a mirror contact mechanism with an auxiliary contact compliant with IEC60947-4-1 to allow for weld detection. These power relays feature a 5kA Short Circuit Current Rating (SCCR), 310mW low coil holding power, and a 3.6mm initial minimum contact gap (Form A).The HE-A power relays are available in 12VDC and 24VDC coils, along with an optional 1Form B weld detection contact in compact 33mm x 38mm x 38.8mm size. These power relays are used in Photovoltaic (PV) inverters, solar panels, level 2 EV charging stations, and Electric Vehicle Supply Equipment (EVSE).FEATURES
Maximum 110A carrying current suitable for high current Applications (low heat generation)
Normally closed auxiliary contact option for weld detection
5kA Short Circuit Current Rating (SCCR) for withstanding fault current
90A maximum switching current (inductive)
Contact gap (initial):
Minimum 3.6mm for Form A
Minimum 0.5mm for Form B (when Form A contact welded)
1.92W low operating power (310mW holding power)
1000MΩ minimum insulation resistance (initial)
Maximum 30ms operate time (at rated coil voltage, at 20°C, without bounce)
98m/s2 functional shock resistance (half-sine shock pulse: 11ms, detection time: 10µs)
APPLICATIONS
Photovoltaic (PV) inverters
Industrial equipment
Electric Vehicle Supply Equipment (EVSE)
Solar panels
Level 2 EV charging stations
1 FORM A (1A) MECHANICAL DIAGRAM
1 FORM A 1 FORM B (1A1B) MECHANICAL DIAGRAM
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