The 3M DBI-SALA® Sealed-Blok™ Self-Retracting Lifeline with galvanized steel cable is engineered to deliver reliable fall protection for overhead anchorage applications. Designed with a robust aluminum housing and an integrated energy dissipation system, this self-retracting lifeline supports consistent performance, durability, and worker safety in demanding industrial environments.

Key Features

Quick-activating speed-sensing locking system: Rapid response to arrest a fall
Integrated fall arrest energy dissipation system: Helps reduce forces transmitted to the user
Durable construction: Designed for repeated use in harsh jobsite conditions
Pivoting anchorage connector loop: Improves alignment and reduces lifeline twisting
FAST-LINE field-replaceable lifeline: Enables efficient maintenance without full unit replacement

Intended Use

This self-retracting lifeline is intended for overhead fall arrest applications where controlled movement, rapid fall arrest, and durability are required.

Industrial facilities
Construction sites
Maintenance and shutdown operations
Utility and infrastructure work
Fixed overhead anchorage systems

Product Specifications

Device type: Self-retracting lifeline
Housing material: Aluminum
User connection: Zinc-plated steel swiveling self-locking snap hook with impact indicator
Anchorage connection: Pivoting anchorage connector loop
Mounting type: Overhead anchor point
Lifeline system: FAST-LINE field-replaceable lifeline
Included components: Anchorage sling, 2 carabiners
Weight capacity:
OSHA: 420 lb (190 kg)
CSA: 310 lb (140 kg)

Lifeline Lenght Configuration by Product Number

3400900C (7012818998) - 50 ft
3400863 (7012818976) - 85 ft

Certifications and Compliance

ANSI Z359.4:
ANSI Z359.14
CSA Z259.2.2-17: SRL
OSHA