A9N18361 Circuit Breaker – 2P – 80A – C Curve. Modular Circuit Breakers – C120. Breaking capacity as per IEC 60898, Icn = 10kA/15kA. Positive break indication, Degree of pollution: 3 (suitable for industrial environment). Operating Temperature: -30 to 700C. Terminal connections: Flexible cables up to 35 sq. mm. Rigid cables up to 50 sq. mm. Reference temperature 500C as per IEC 60947-2.