Description

Schneider EZC400H3400 | circuit breaker Easypact EZC400H – TMD – 400 A – 3 poles 3d

The Schneider EZC400H3400 is a molded case circuit breaker (MCCB) from the EasyPact EZC400H series, offering high-performance protection for electrical systems in commercial and industrial environments. With a 400 A rated current, thermal-magnetic (TMD) trip unit, and 3-pole configuration, it is ideal for managing and safeguarding medium-capacity circuits.

 Technical Specifications

  • Brand: Schneider Electric

  • Series: EasyPact EZC400H

  • Model: EZC400H3400

  • Rated Current (In): 400 A

  • Number of Poles: 3 poles (3P)

  • Trip Unit Type: Thermal-Magnetic (TMD), fixed

  • Connection Type: 3D (Direct terminal connection)

  • Rated Operational Voltage (Ue): Up to 415 V AC

  • Rated Insulation Voltage (Ui): 690 V AC

  • Impulse Withstand Voltage (Uimp): 8 kV

  • Breaking Capacity (Icu) at 415 V AC: 36 kA

  • Standard Compliance: IEC 60947-2

  • Mounting: Fixed

 Key Features

  • High Interrupting Capacity:
    36 kA at 415 V AC, suitable for demanding environments

  • Thermal-Magnetic Protection:
    Built-in protection against overloads and short circuits

  • Robust Design:
    Engineered for reliable long-term performance in harsh conditions

  • Direct Mounting (3D):
    Simplifies installation with standard direct terminal connections

  • Compact Size:
    Saves valuable panel space without compromising performance

 Typical Applications

  • Industrial and commercial distribution boards

  • Electrical panels in manufacturing plants

  • HVAC systems and large motor controlGenerator protection and backup systems

  • Power distribution in buildings and infrastructure

The EZC400H3400 delivers dependable, cost-efficient protection for systems requiring up to 400 A. With Schneider Electric’s trusted engineering and robust safety features, it’s an excellent choice for mid- to high-range current protection in various applications

Additional information

brands

Schneider Electric

Specifications

Main
range of product EasyPact
Product or component typee Circuit breaker
Device short name Easypact EZC400H
circuit breaker name Easypact EZC400H
Device application Distribution
Poles description 3P
Protected poles description 3t
Network type AC DC
Network frequency 50/60 Hz
[In] rated current 400 A at 40 °C
[Ui] rated insulation voltage 690 V AC 50/60 Hz conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage 8 kV conforming to IEC 60947-2
[Ue] rated operational voltage 250 V DC conforming to IEC 60947-2 440 V AC 50/60 Hz conforming to IEC 60947-2
Breaking capacity code H
Breaking capacity 50 kA Icu at 380 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 400...415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2
[Ics] rated service breaking capacity 25 kA at 380 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 400/415 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 220/230 V AC 50/60 Hz conforming to IEC 60947-2
Suitability for isolation Yes conforming to IEC 60947-2
utilisation category Category A
Trip unit name TM-D
Trip unit technology Thermal-magnetic
Trip unit rating 400 A at 50 °C
Protection type Short-circuit protection Overload protection
Pollution degree 3 conforming to IEC 60947
Complementary
control type Toggle
Mounting mode Fixed
mounting support Backplate
Upside connection Front
downside connection Front
Mechanical durability 4000 cycles
Electrical durability Category A: 1000 cycles 415 V AC 50/60 Hz conforming to IEC 60947-2
Connection pitch 44 mm
local signalling Positive contact indication
Contact position indicator Yes
Magnetic tripping current 3500 A
Neutral protection setting Without protection
Long time pick-up adjustment type Ir Fixed
Long time delay adjustment type Fixed
earth-leakage protection Without
height 255 mm
Width 185 mm
Depth 140 mm
Net weight 6.4 kg
Quantity per set 1 piece
Colour Black
Environment
Standards JIS C8201-2-2 EN/IEC 60947-1 GB/T 14048.2 EN/IEC 60947-2
IP degree of protection IP20 conforming to IEC 60529
IK degree of protection IK07 conforming to EN 50102
ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -35…85 °C
Contractual warranty
Warranty 18 months

Main Document

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

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