Schneider C12B3TM125L Circuit breaker

The Schneider Electric C12B3TM125L is a 3-pole thermomagnetic circuit breaker from the ComPacT NSXm 160B new generation range, rated 125 A at 40°C with an ultimate short-circuit breaking capacity of 25 kA at 415 V AC. Designed for electrical power distribution, it incorporates a TM-D thermomagnetic protection unit and EverLink connection terminals in a compact fixed-mount format.

Technical specifications:

• Commercial reference: C12B3TM125L
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSXm new generation
• Product type: Circuit breaker
• Number of poles: 3P
• Rated current [In]: 125 A at 40°C
• Rated voltage [Ue]: 690 V AC 50/60 Hz
• Ultimate breaking capacity [Icu]: 50 kA at 220-240 V AC / 25 kA at 380-415 V AC / 20 kA at 440 V AC (IEC 60947-2)
• Performance level: B, 25 kA at 415 V AC
• Protection unit: TM-D thermomagnetic
• Long-time pick-up [Ir] adjustment: 0.7-1 x In (adjustable)
• Instantaneous pick-up [Ii]: 1250 A (fixed)
• Insulation voltage [Ui]: 800 V AC
• Impulse withstand voltage [Uimp]: 8 kV
• Mounting: Fixed, back plate
• Connection terminals: EverLink - 2.5-70 mm² flexible copper / 2.5-95 mm² solid or fine-stranded copper
• Dimensions (W x H x D): 81 x 137 x 80 mm
• Weight: 1.06 kg
• IP protection: IP40 (IEC 60529)
• IK protection: IK07 (IEC 62262)
• Operating temperature: -25 to 70°C
• Pollution degree: 3 (IEC 60664-1)
• Standards: EN/IEC 60947

Features and benefits:

• Adjustable Ir pick-up from 0.7 to 1 x In allows flexible overcurrent threshold settings without changing the unit
• EverLink terminals accept conductors up to 95 mm², reducing wiring time and improving connection reliability
• 20,000-cycle mechanical and electrical endurance for extended service life in demanding environments
• One dedicated slot each for OF auxiliary switch, SD alarm switch, and MN/MX voltage trip accessories
• Halogen-free plastic parts and PVC-free construction for sustainable electrical installations

Applications:

• Main and sub-distribution boards in commercial and industrial buildings
• Outgoing feeder protection in low-voltage switchgear assemblies
• Cable and busbar protection in industrial power distribution systems
• Electrical distribution panels in infrastructure and facility installations

Compliant with EN/IEC 60947. Part of the Schneider Electric ComPacT NSXm new generation range.

Also known as: Schneider C12B3TM125L, Schneider Electric C12B3TM125L, ComPacT NSXm 160B 125A 3-pole circuit breaker.