Noark Ex9BP 2P DC360V K40 IEC - 40A 360VDC Circuit Breaker (2 pole)

The Noark Ex9BP 2P DC360V K40 is a high-performance, non-polarised DC miniature circuit breaker (MCB) designed for reliable protection in direct current applications. Part of the Ex9 product family, this MCB stands out for its robust electrical and mechanical features.

Electrical Parameters Details
Tested Standard IEC/EN 60947-2
Rated Operating Voltage 360V DC
Rated Breaking Capacity 10 kA
Rated Current 40A
Tripping Characteristics K
Rated Impulse Withstand Voltage 4 kV
Rated Insulation Voltage 1000V DC
Electrical Service Life 300 operation cycles
Line Voltage Connection Non-specific, above or below
Mechanical Parameters Details
Device Width 18 mm per pole/module
Device Height 83 mm (89 mm with rail clip)
Frame Size 45 mm
Mounting Easy fastening onto 35 mm DIN device rail
Degree of Protection IP20 for terminals
Terminals Combined lift + open mouthed
Terminal Capacity 1 - 35 mm²
Fastening Torque of Terminals 3.5 Nm
Busbar Thickness 0.8 - 2 mm
Mechanical Service Life 20,000 operation cycles
Ambient Temperature Range -35°C to +70°C
Altitude Tolerance ≤ 2000m
Relative Humidity ≤ 95% at 20°C, ≤ 50% at 40°C
Resistance to Humidity and Heat Class 2
Pollution Degree 3
Installation Class III
Weight 0.12 kg per pole/module

This MCB is ideal for a range of applications requiring precise and reliable DC circuit protection, especially in conditions demanding high breaking capacity and robust performance.

SKU NRK.N84454
Model # 84454
Brand Noark
Shipping Weight 0.1000kg

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