Four poles protected (4t), no neutral protection. This is a Category A breaker — no intentional short-time delay, so it trips instantaneously on fault, sized for distribution duty where selective coordination is handled upstream.
Breaking capacity and voltage ratings
Breaking capacity code N: 20 kA Icu at 440 V AC, 25 kA at 380–415 V AC, 50 kA at 220–240 V AC, and 8 kA at 550 V AC — all per IEC 60947-2. On DC: 20 kA at 125 V DC (1P) and 250 V DC (2P). Rated insulation voltage 690 V AC; operational voltage up to 550 V AC or 250 V DC.
Fixed mounting on a backplate, 140 mm wide × 165 mm high × 60 mm deep. Connection pitch 35 mm. IP20 finger-safe enclosure; IK07 impact resistance.
Certified to IEC 60947-1, IEC 60947-2, JIS C8201-2-2, and GB/T 14048.2. Positive contact indication on the toggle. Mechanical durability 10,000 cycles.