The ER-15KV is a sensing resistor accessory designed for use on systems up to 15 kV (non-continuous duty). It is specifically used as an accessory for Littelfuse protection relays including the SE-330, SE-325, and SE-330AU to facilitate neutral-grounding resistor monitoring by providing a high-impedance voltage-sensing interface.
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| Maximum System Voltage | 15000V |
| Resistance | 100KOhms |
| Duty Cycle | Non-continuous |
| Standard | CSA |
| Standard | UL |
