HDB3wH Himel Miniature Circuit Breaker

The Himel HDB3wH Miniature Circuit Breaker is a widely employed device, serving as the primary protection component in the final distribution system. It offers comprehensive protection against short circuits and overloads while facilitating control for both single-phase and three-phase systems.

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Features of HDB3wH Himel Miniature Circuit Breaker

  • Intelligent Design with Independent Accessory Installation: Features a clever design that allows for independent accessory installation.
  • Comprehensive Platform Upgrade: The platform upgrade covers the entire range, extending it to 6kA.
  • Enhanced Durability for Reduced Maintenance Costs: Offers increased durability, resulting in lowered maintenance expenses.
  • Expanded D Curve: The HDB3wHP & HDB3wPLE now include the D curve, and 1P+N and 3P+N options have been added to the HDB3w series.
  • Wide Temperature Tolerance: Operates effectively within a broader temperature range, spanning from -20℃ to 60℃. It supports 240/415V and 50/60Hz systems and provides a multi-language user manual.
  • Equipped with Indicator: Includes an indicator for user convenience.
  • RoHS Compliance: Approved in accordance with RoHS standards.

Specification of HDB3wH Himel Miniature Circuit Breaker


range of product HDB3wH
product or component type Miniature circuit-breaker
device application Isolation
trip unit technology Thermal-magnetic
suitability for isolation Yes
mechanical durability 20000.0 cycles
electrical durability 7000.0 cycles
poles description 2P
[In] rated current 16 A
[Ue] rated operational voltage 415 V AC 50/60 Hz
curve code C
magnetic tripping limit 5…10 x In
breaking capacity 6.0 kA
[Ui] rated insulation voltage 250.0 V between phase and ground
500.0 V between phases
[Uimp] rated impulse withstand voltage 4.0 kV
cable entry Top
mounting support 35 mm DIN rail
protection type Overload protection
Short-circuit protection
overvoltage category II
connections – terminals Forked type tag connectors
clamping connection capacity <= 25 mm²
tightening torque 2.5 N.m
height 80 mm
width 35.4 mm
depth 78.5 mm
embedding depth 69.0 mm
dielectric test voltage 2.0 kV 50/60 Hz 1 min
shock resistance 30 gn (duration = 11.0 ms) for 3 shocks
standards EN/IEC 60898-1
IP degree of protection IP20
pollution degree 2
ambient air temperature for operation -20…60 °C
ambient air temperature for storage -40…70 °C