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35A relays target solar inverters

35A relays target solar inverters

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By Nick Flaherty



The AZ SR131 series relays are designed for the use in solar inverter applications according IEC 62109 but can be used in many other applications as well.

The dielectric strength is 4.5 kV between coil/contact. The relays are able to withstand 10 kV surge impulse. In the standard version the AZ SR131 has a contact gap of 1.8 mm and a dielectric strength of 2.5 kV between open contacts. A wide contact gap version (2.3 mm) is also available, with dielectric strength of 3.5 kV between open contacts.

The electric life expectancy is specified with 30,000 cycles at 35 A 277 VAC at an ambient temperature up to 85°C. The relays are available with silver tin oxide SPST-N.O. (1 Form A) contacts. Class F insulation to 155 °C is standard.

The AZ SR131 power relays meet RoHS, REACH as well as IEC 61810-1 for the use in low voltage equipment and UL 508 for industrial control panels. Versions compliant to IEC-60335-1 (GWT-Glow Wire Testing) for household appliances are also available.

With UL and TÜV long life ratings, ZETTLER’s 35 AMP Miniature Power Relays are both cost-effective and high performance products. 

For more information please visit www.zettlerelectronics.com

 

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