Ultra Compact Door Lock

From parcel lockers to medical devices, the new Ultra Compact Lock delivers compact, energy-efficient locking technology for the next generation of battery-powered applications.

The European Lock for battery-powered locking systems

Battery-powered locking systems place high demands on every component. Installation space is limited, energy consumption directly affects battery life, and reliable operation is essential.

The new Kendrion Ultra Compact Door Lock has been developed specifically for these challenges. Thanks to its innovative shape memory alloy (SMA) technology, it combines an exceptionally compact design with outstanding energy efficiency. Manufactured in Europe, it offers OEMs a reliable and competitive alternative for battery-powered applications such as lockers, parcel lockers, hotel doors, vending machines and medical equipment.

Discover a new generation of locking technology – engineered for more compact products, longer battery life and seamless integration.

Why OEMs choose the Ultra Compact Lock

  • At least 50% less power consumption
  • Longer battery life. Fewer service visits.
  • More space for your product design
  • European engineering and manufacturing
  • Performance that competes globally

Hotel room doors

With its compact design and low power consumption, the Ultra Compact Lock delivers reliable, quiet access for modern battery-powered hotel door systems.

One lock. Many applications. 

Designed for battery-powered locking systems.

Parcel lockers

The Ultra Compact Lock provides secure, reliable access while extending battery life in 24/7 parcel delivery systems.

Lockers & smart cabinets

The Ultra Compact Lock maximizes storage space while delivering a holding force of up to 5,000 N for secure and reliable locking.

Vending & Self-Service

The Ultra Compact Lock combines a space-saving design, high security, and maximum energy efficiency—ideal for modern vending machines.

Medical and laboratory devices

The Ultra Compact Lock provides reliable locking even under high mechanical stress—with shock resistance of up to 300 g for medical and laboratory equipment.

Smaller in size. Big on efficiency. Made in Europe.

The Ultra Compact Lock is based on an innovative shape memory alloy (SMA). To unlock, the wire is activated by a short electrical pulse, releasing a spring-loaded locking bolt. Once the door is closed, the bolt automatically engages again without requiring continuous power. This operating principle minimizes energy consumption while ensuring secure and reliable locking.

The combination of an ultra-compact design of only 45 x 45 x 15 mm and intelligent actuation enables OEMs to develop smaller, battery-powered products with longer service intervals and lower operating costs. Despite its compact dimensions, the UCL delivers a maximum static holding force of 5,000 N and, with an optional shock resistance of up to 300 g, is suitable even for demanding applications such as laboratory equipment or medical devices. Designed and manufactured in Europe, the UCL also offers a reliable supply chain and a commercially attractive alternative for manufacturers looking to combine technical performance with long-term availability.

Technical Highlights

  • Very low power consumption; requires only a short electrical pulse to unlock
  • Ultra-compact dimensions: 45 × 45 × 15 mm
  • Maximum static holding force: 5,000 N
  • Shock resistance: Optional up to 300 g (all axes)
  • Service life: 10,000 switching cycles
  • Incl. door hook
  • Emergency opener

Downloads

Industrial Actuators & Controls
Sales Team Kendrion IAC

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