HDB3wH Himel Miniature Circuit Breaker

HDB3wH Himel Miniature Circuit Breaker is the most widely used final protection device in the final distribution system, provides protection from short circuits, overload, and control for single-phase and three-phase.

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  • Smart design with independent accessory installation;
  • Platform upgrade which can reach whole range 6kA;
  • Higher durability, reduce the maintenance cost;
  • D curve increased in HDB3wHP & HDB3wPLE, 1P+N and 3P+N are added into HDB3w;
  • Wider temperature environment between -20℃ to 60℃- With 240/415, 50/60Hz, multi-language user manual;
  • With indicator;
  • RoHS approved


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