High Authority Piezoelectric Actuators (HAPA)

HAPA = High-Authority (dual-level) Piezo Actuator
           = Actuator of large stroke and high blocking force


Key Features


  • Made possible by patented High Bending Stiffness Connector (HBSC)
  • ≳85 µm stroke & >1000N blocking force & only fractionlly longer.

High Authority Piezo Actuator Brochure

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Product Description

Displacement Performance Chart



Performance Characteristics of HAPAs

(made from PZT stacks of 5x5 mm² & 40 mm length)

End cap designs to suit various pre-loading and fixation requirements
Type of end cap available:
    (A) Solid end cap;
    (B) End cap with a ∅3.5 mm central through hole;
    (C) End cap with a ∅3.5 mm C'bored (∅5.5 ↓ 4.0) central through hole;
    (D) End cap with a S.S. M2.5 central threaded through hole;
    (E) End cap with a ∅2.6 mm C'bored (∅4.6 ↓ 2.6) central through hole.