Schneider C16N3TM125 ComPacT NSX160N Trip Unit 3P 125 A TMD

The Schneider Electric C16N3TM125 is a 3-pole ComPacT NSX160N circuit breaker rated at 125 A, designed for electrical power distribution with a breaking capacity of 50 kA at 415 V AC. It features a TMD (thermal-magnetic) trip unit providing overload and short-circuit protection, and is suitable for isolation per EN/IEC 60947-2.

Technical specifications:

• Commercial reference: C16N3TM125
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX new generation
• Product type: Circuit breaker
• Application: Electrical power distribution
• Number of poles: 3P
• Protected poles: 3d
• Rated current [In]: 125 A at 40°C
• Rated voltage [Ue]: 690 V AC 50/60 Hz
• Network type: AC
• Network frequency: 50/60 Hz
• Performance level: N - 50 kA at 415 V AC
• Ultimate short-circuit breaking capacity [Icu]: 90 kA at 220/240 V AC - 50 kA at 380/415 V AC - 36 kA at 500 V AC - 10 kA at 660/690 V AC (per IEC 60947-2)
• Service short-circuit breaking capacity [Ics]: 50 kA at 380/415 V AC (per IEC 60947-2)
• Rated insulation voltage [Ui]: 800 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 8 kV
• Trip unit name: TM-D
• Trip unit technology: Thermal-magnetic
• Trip unit function: Overload (L) and short-circuit (I) protection
• Long-time pick-up adjustment range [Ir]: 0.7...1 x In
• Long-time protection delay [tr]: 120...400 s at 1.5 x In - 15 s at 6 x Ir (fixed)
• Instantaneous protection pick-up [Ii]: 1250 A (fixed)
• Control type: Handle
• Mounting mode: Fixed
• Mounting position: Horizontal and vertical - flat on the back
• Connection: 35 mm
• Mechanical endurance: 40000 cycles
• Electrical endurance: 40000 cycles at 440 V In/2 - 20000 cycles at 440 V In
• Power dissipation per pole: 10.78 W
• Slots for electrical auxiliaries: 5
• Dimensions (W x H x D): 105 x 161 x 86 mm
• Weight: 2.2 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
• Relative humidity: 0...95%
• Pollution degree: 3 per IEC 60664-1
• Overvoltage category: Class II
• Standard: EN/IEC 60947-2
• Usage category: Category A

Features and benefits:

• High breaking capacity of 50 kA at 415 V AC ensures reliable protection in demanding distribution networks
• Adjustable long-time thermal protection pick-up (0.7...1 x In) allows fine-tuning to load requirements
• Thermal-magnetic TMD trip unit provides both overload and instantaneous short-circuit protection in a single device
• Wide operating temperature range of -25...70°C suits challenging industrial environments
• Up to 5 slots for electrical auxiliaries enable flexible configuration with add-on modules
• Fixed mounting with handle control and front upper/lower connections simplifies panel installation

Applications:

• Main and sub-distribution boards in commercial and industrial electrical installations
• Protection of outgoing feeders in low-voltage switchboards and motor control centers
• Industrial panel boards requiring high breaking capacity at 415 V AC
• Protection of busbars and cable feeders in power distribution systems up to 690 V AC

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 C16N3TM125, Schneider Electric C16N3TM125, ComPacT NSX160N 125A circuit breaker, NSX160N TMD 3P breaker.