Schneider LV433218 ComPacT NSX100HB1 Trip Unit 3P 100 A TMD

The Schneider Electric LV433218 is a 3-pole ComPact NSX100HB1 moulded case circuit breaker rated 100 A at 690 V AC, designed for industrial power distribution. Its thermal-magnetic TM-D trip unit provides overload and short-circuit protection with a rated ultimate breaking capacity (Icu) of 75 kA at 690 V AC, conforming to EN/IEC 60947-2.

Technical specifications:

• Commercial reference: LV433218
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPact NSX
• Product type: Circuit breaker (MCCB), distribution
• Number of poles: 3P, 3 protected poles
• Rated current [In]: 100 A at 40°C
• Rated operational voltage [Ue]: 690 V AC 50/60 Hz
• Network type: AC, 50/60 Hz
• Rated ultimate breaking capacity [Icu]: 85 kA at 500 V / 80 kA at 525 V / 75 kA at 660/690 V AC
• Rated service breaking capacity [Ics]: 85 kA at 500 V / 80 kA at 525 V / 75 kA at 660/690 V AC
• Rated insulation voltage [Ui]: 800 V AC
• Rated impulse withstand voltage [Uimp]: 8 kV
• Trip unit: TM-D, thermal-magnetic, LI protection (overload + short-circuit)
• Overload pick-up [Ir]: 0.7...1 x In (adjustable)
• Short-circuit pick-up [Isd]: 800 A (fixed)
• Utilisation category: Category A
• Mounting: Fixed, backplate
• Connection: Front (upside and downside), pitch 35 mm
• Dimensions (W x H x D): 105 x 161 x 86 mm
• Weight: 2.05 kg
• IP rating: IP40 (IEC 60529)
• IK rating: IK07 (IEC 62262)
• Operating temperature: -25...70°C
• Mechanical durability: 50,000 cycles
• Certifications: EAC, Marine, CCC
• Standard: EN/IEC 60947

Features and benefits:

• 75 kA breaking capacity at 690 V AC suits high fault-level industrial distribution networks.
• Adjustable overload threshold (0.7...1 x In) allows field calibration to match the connected load.
• Isolation-suitable per EN/IEC 60947-2, enabling safe maintenance disconnection without additional isolator.
• Wide operating range: -25...70°C, altitude up to 5000 m (with derating), and relative humidity up to 95%.
• Five slots for electrical auxiliaries allow flexible addition of signalling contacts and control modules.

Applications:

• Industrial main and sub-distribution boards with high prospective short-circuit currents.
• Motor, transformer, and feeder protection in 690 V AC power distribution systems.
• Switchgear panels and motor control centres requiring high breaking capacity at low voltage.

Compliant with EN/IEC 60947. Part of the Schneider Electric ComPact NSX range.

Also known as: Schneider LV433218, Schneider Electric LV433218, ComPact NSX100HB1 100A 3P MCCB, NSX100 75kA circuit breaker.