Applies to two or three terminal, four or five layer, thyristor surge protection devices (SPDs) for application on systems with voltages equal to or less than 1000 V rms or 1200 V dc.
IEEE Std C62.37-1996 history
2009IEEE Std C62.37/COR-2009 Errata to IEEE Standard Test Specification for Thyristor Diode Surge Protective Devices
1996IEEE Std C62.37-1996 Test specification for thyristor diode surge protective devices