• About us
    • Our Mission
    • Capabilities
    • Who we are
    • Sustainability
    • Our values
  • Products
    • Release Actuator
    • Rotary Actuator
    • Rota-Hinge
  • Jobs
  • Contact us

Mini Release Actuator 1kN

Description Key Parameter Value
User Preload 1 kN
Ultimate Preload More than 3 kN
Mechanical interface for release bolt Threaded hole, M3
Actuation Current 1.8 A to 6 A
pulse duration 35 ms at 4 A
Non-actuation current 0.25 A for 5 minutes
Bridge wire resistance < 2 Ohms
Footprint of housing 54 mm x 36 mm
Height 16 mm
Misalignment Capability +/-0.3° half cone
Mass 0.056 kg
Release shock Low (<220 gSRS)
Temperature range, operating -150°C / +150°C
Radiation All materials sustain more than 1 Mrad (Si)
Atmosphere Vacuum, GN2, air
Initiator Technology Non-explosive
Redundancy Yes. Initiator is electrically and mechanically redundant.
Reset by the User Possible with an exchangeable cartridge. Also a manual actuation is possible.
ROM Price of recurring unit 1) 4 310,- EUR per unit, at batch size 80
Contact us for a detailed quote and other order quantities.
ECSS compliant Yes
Technology Readiness Level TRL 7
Successfully ESA qualified.

Note 1: Rough Order of Magnitude. Exclusive of any value added tax, import duties, customs and shipping. Information about products and services released on our web page does not constitute a commitment for sale. We strictly follow EU export regulations.

If you are planning a constellation and have a need for several hundred units, please contact us for specific pricing information. For large batch sizes, significant price savings are possible.


Application example of Space-Lock’s Release Actuator in a satellite solar array Hold-Down and Release Mechanism (HDRM):

Application example of Space-Lock’s low shock Release Actuator in a launcher’s satellite dispenser:

Contact us

  • © 2022 Space-Lock GmbH. All rights reserved.
  • Design derived from: HTML5 UP
  • Legal Information [DE: Impressum]/Privacy