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--- articles:overvoltage_protection_relay [2020/11/17 08:28] – [Edit - Panel] john5788
+++ articles:overvoltage_protection_relay [2020/11/17 08:43] – [Edit - Panel] john5788
@@ Line 54: / Line 54: @@
 </grid>
+===== Testing =====
+The following procedure is a static test for basic relay operation. Passing the following test does not guarantee that the OVP relay is functioning correctly, but will accurately tell if the OVP relay is faulty.
+  - Apply 12V pins 30 and 31
+    - Verify with a multimeter that 30a has 12V and 87E/87L has no voltage
+  - Apply 12V to pin 15
+    - The internal relay should click
+    - Verify with a multimeter that 87E and 87L have 12V as well as 30a.
+===== Part numbers =====
+<grid>
+<col sm="6">
+<panel type="default" title="Part Numbers for OVP Relay" no-body="true">
+^ Part Number ^ Description ^
+| 201 540 32 45 | 7-pin relay, black top, single 10A fuse |
+| 201 540 38 45 | 7-pin relay, black top, single 10A fuse |
+| 201 540 37 45 | 9-pin relay, red top, double 10A fuse |
+</panel>
+</col>
+</grid>