Schneider C16B3 ComPacT NSX160B Trip Unit 3P

The Schneider Electric C16B3 is the ComPacT NSX160B 3-pole base frame circuit breaker, rated 160A at 40°C and designed for AC electrical power distribution. This base housing ships without a protection unit, allowing integration of separately selected trip units. It delivers an ultimate short-circuit breaking capacity (Icu) of 25 kA at 380/415V AC, rated performance level B.

Technical specifications:

• Commercial reference: C16B3
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT new generation (Compact NSX)
• Product type: Base frame, without protection unit
• Application: Electrical power distribution
• Number of poles: 3P
• Rated current [In]: 160A at 40°C
• Rated voltage [Ue]: 690V AC 50/60 Hz (IEC 60947-2)
• Network type: AC, 50/60 Hz
• Performance level: B - 25 kA at 415V AC
• [Icu] ultimate short-circuit breaking capacity: 40 kA at 220/240V AC; 25 kA at 380/415V AC; 20 kA at 440V AC; 15 kA at 500V AC
• [Ics] service short-circuit breaking capacity: 40 kA at 220/240V AC; 25 kA at 380/415V AC; 20 kA at 440V AC; 15 kA at 500V AC
• Rated insulation voltage [Ui]: 800V AC (IEC 60947-2)
• Rated impulse withstand voltage [Uimp]: 8 kV (IEC 60947-2)
• Usage category: Category A
• Control type: Handle
• Mounting method: Fixed
• Mounting support: Rear plate
• Upper and lower connection: Front, 35 mm
• Mechanical endurance: 40,000 cycles (IEC 60947-2)
• Electrical endurance: 40,000 cycles at 440V AC In/2; 20,000 cycles at 440V AC In (IEC 60947-2)
• IP protection: IP40 (IEC 60529)
• IK protection: IK07 (IEC 62262)
• Pollution degree: 3 (IEC 60664-1)
• Dimensions (W x H x D): 105 x 161 x 86 mm
• Weight: 1.494 kg
• Operating temperature: -25 to 70°C
• Storage temperature: -50 to 85°C
• Standards: EN/IEC 60947-2, UL 60947-4-1

Features and benefits:

• Base frame design without integrated protection unit - accepts separately selected trip units for flexible system configuration
• High breaking capacity at multiple voltage levels - up to 40 kA at 220/240V AC
• Suitable for use as an isolating device per EN/IEC 60947-2
• Front-facing upper and lower connection terminals simplify installation and wiring
• Wide operating temperature range of -25 to 70°C suits demanding industrial environments
• IP40 and IK07 ratings provide protection against dust ingress and mechanical impact

Applications:

• Industrial power distribution switchboards and main distribution panels
• Commercial building electrical installations requiring high short-circuit withstand
• Fixed-mounted switchgear assemblies in manufacturing and process industries
• Motor control centers and machine control panels up to 690V AC
• Infrastructure and utility distribution systems requiring modular circuit protection

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

Also known as: Schneider C16B3, Schneider Electric C16B3, NSX160B base frame, ComPacT NSX 160A 3P circuit breaker frame.