Schneider C16B4 Circuit Breaker Basic Frame, ComPact NSX160B 25kA/415VAC 4P 160A

The Schneider Electric C16B4 is a basic frame circuit breaker (ComPact NSX160B) designed for electrical power distribution. Rated at 160A with a 4-pole configuration, it delivers an ultimate short-circuit breaking capacity of 25 kA at 380/415V AC, making it suitable for demanding industrial and commercial applications.

Technical specifications:

• Commercial reference: C16B4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPact NSX new generation
• Short device name: NSX160B
• Product type: Basic frame (without protective unit)
• Application: Electrical power distribution
• Number of poles: 4P
• Neutral conductor position: Left
• Rated current [In]: 160A at 40°C
• Rated operational voltage [Ue]: 690V AC 50/60 Hz per IEC 60947-2
• Network type: AC
• Network frequency: 50/60 Hz
• Rated insulation voltage [Ui]: 800V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 8 kV
• Ultimate breaking capacity [Icu]: 25 kA at 380/415V AC / 20 kA at 440V AC / 15 kA at 500V AC / 40 kA at 220/240V AC
• Service breaking capacity [Ics]: 25 kA at 380/415V AC / 20 kA at 440V AC / 15 kA at 500V AC / 40 kA at 220/240V AC
• Performance level: B 25 kA 415V AC
• Control type: Handle
• Mounting: Fixed
• Mounting support: Back plate
• Upper connection: Front
• Lower connection: Front
• Connection: 35 mm
• Protection type: Without protective unit
• Mechanical endurance: 40,000 cycles
• Electrical endurance: 40,000 cycles at 440V AC In/2 / 20,000 cycles at 440V AC In
• Dimensions (WxHxD): 140 x 161 x 86 mm
• Weight: 1.923 kg
• IP protection rating: IP40 per IEC 60529
• IK protection rating: IK07 per IEC 62262
• Operating temperature: -25...70°C
• Storage temperature: -50...85°C
• Pollution degree: 3 per IEC 60664-1
• Standards: EN/IEC 60947-2, UL 60947-4-1

Features and benefits:

• Basic frame without integrated protective unit, allowing flexible choice of trip unit to suit specific application requirements
• High breaking capacity of 25 kA at 415V AC ensures reliable protection in high-fault-current environments
• Wide operational voltage range up to 690V AC covers a broad spectrum of industrial power distribution systems
• IP40 and IK07 ratings provide solid protection against dust ingress and mechanical impact
• Wide operating temperature range from -25°C to 70°C supports reliable performance in harsh environments
• High mechanical and electrical endurance of 40,000 cycles ensures long service life in demanding installations

Applications:

• Industrial power distribution panels and switchboards
• Commercial and industrial main distribution boards requiring high breaking capacity
• Motor control centers and feeder protection in manufacturing facilities
• Infrastructure projects with high available fault currents at 380/415V AC systems

Compliant with EN/IEC 60947-2 and UL 60947-4-1. Part of the Schneider Electric ComPact NSX new generation range.

Also known as: Schneider C16B4, Schneider Electric C16B4, NSX160B basic frame, ComPact NSX 160A 4P circuit breaker.