Three Pole Neutral (TPN)
SPN C CURVE
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TPN C-Curve Miniature Circuit Breaker is designed for three-phase electrical systems with neutral, where equipment draws moderate inrush current. The C-Curve tripping characteristic allows temporary high starting current without nuisance tripping, while ensuring reliable protection against overload and short-circuit faults.
It provides simultaneous disconnection of all three phases along with neutral, offering enhanced safety, stable performance, and long service life in commercial and industrial installations.
🔹 Key Features
Tripping Characteristic: C-Curve (5–10× rated current)
Poles: Three Phase + Neutral (3P+N)
Rated Current: 6A to 63A
Voltage Rating: 415V AC
Frequency: 50/60 Hz
Protection: Overload & Short Circuit
Complete Isolation: All phases + neutral disconnection
Reduced Nuisance Tripping: Suitable for inductive & motor loads
Mounting: Standard DIN Rail
Housing: Flame-retardant, heat-resistant enclosure
Standard Compliance: IS / IEC Certified
🔹 Applications
Three-phase motors & machinery
Commercial and industrial distribution boards
Pumps, compressors, HVAC systems
Main and sub-distribution panels
| Warranty | 10 YEARS |
| Type | TPN (Three Phase) |
| Voltage rating | 415V AC |
| Breaking capacity | 4500A / 6000A |
| Mounting | DIN Rail 35mm |
| Standard | IEC 60947-2 / IS 60947 |