ABB CIRCUTOR Transformer M/TR-100A TR101-OCS 100A/4V

ABB Circuitor M/TR‑100A TR101‑OCS 100 A/4 V Current Transformer A split‑core current transformer providing a 4 V secondary output for panel meters and protective relays. The TR101‑OCS clamps around conductors up to 100 A without interrupting the circuit, enabling easy retrofit metering. Key Specifications Model: TR101‑OCS Primary Range: 0–100 A AC Secondary Output: 4 V AC @ rated current Accuracy: ± 1% at 50–100 % of rated load Frequency: 50/60 Hz Core Type: Split‑core for clamp‑on installation Insulation: UL94 V‑0 housing Operating Temp.: –20 °C to +60 °C Ideal for energy monitoring in switchboards, feeders, and branch circuits.