SPR8 is ZF's pretensioning-through-load-limiter retractor architecture and is the foundational retractor technology for ZF’s motorized ACR8 for standard mounting positions. It is designed to help enable smoother transition from pretensioning to energy management.

Additional Technical Details for Retractor Pretensioner SPR8 Technology

Benefits

• SPR8 enables smoother transition from pretensioning to energy management phase by pretensioning through the load limiter
• Self-engaging drive concept of snake pretensioner technology ensures fast and direct coupling
• Sealed pretensioner unit emits no smoke, particles, or light

Market Drivers and Features

Market Drivers

• Consumer ratings continue to drive an increasing fitment rate for pretensioners

Features

• Multiple energy management features available, including declining load limiter (DLL) and switchable load limiter (SLL)
• ALR option available for the fixation of child seats Sensor
• Blockout option for unbelted sensor deactivation