132500R3 is a S&C Electric Company refill unit designed for the SM‑5 family, configured for a 14.4 kV nominal system with a 300E current rating. The unit is identified as KV‑14.4 and is associated with Time-Current Characteristic (TCC) No. 153‑2, enabling precise protective coordination in substation applications. Intended for use with SM refill units (SM‑5 holders), it functions as the replacement module to restore the refill assembly during maintenance or replacement of the original unit.
