Introducing the Zettler AZSR143 – The newest 50A power relay for solar / EV charging applications with very small footprint
The Zettler AZSR143 is the newest type of “New Energy” 50A power relays that is sure to keep up with the demand for switching higher currents and voltages. Featuring a footprint of only 30.4mm x 15.9mm, the AZSR143 power relay closes the gap between the well-known AZSR131 and AZSR235/AZSR250.
Mainly designed for solar inverters, the Zettler AZSR143 power relay is well suited for electric vehicle charging equipment.
The Zettler AZSR143 has a maximum UL/TUV switch rating of 50A@277VAC with 6K cycles. Other ratings include 43A@277VAC (85°C) and 33A@277VAC (105°C) with 30K cycles each and 50A@277VAC carry current with 50K cycles (on/off) at 20A. It features a 1.8mm contact gap, a 4500Vrms dielectric strength and a minimum holding power of 196mW.
ZETTLER AZSR143 Relays and the Demand for Higher Currents
The demand for switching higher currents and higher voltages on increasingly smaller footprint continues to grow, especially in Solar and EV charging applications. ZETTLER is following this trend by introducing its newest type of "New Energy" relays, the 50A AZSR143.
With a footprint of only 30.4mm x 15.9mm the AZSR143 closes the loop between the well-known AZSR131 and AZSR235/250.
The AZSR143 has a maximum UL/TUEV switch rating of 50A@277VAC with 6K cycles. Other ratings are 43A@277VAC (85°C) and 33A@277VAC (105°C) with 30K cycles each and 50A@277VAC carry current (20A switch on/off) with 50K cycles tested. It features a 1.8mm contact gap, a 4500Vrms dielectric strength and a minimum holding power of 196mW.
See all ZETTLER AZSR Power Relays
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