A medium-duty stainless-steel rotary latch offers a more durable option for highly corrosive environments. The R4-20 provides a robust, long-lasting solution for demanding applications such as access panels and doors on Off-Highway and Marine equipment.
The latch features a compact, space-saving design that facilitates inside door mounting and is available in through-hole, metric and imperial mounting styles. This versatile R4-20 Rotary Latch is available with single or two-stage latching, ensuring secure latching at low closing forces. Southco’s R4-20 series offers superior latch to striker mating tolerances, making it suitable for flexible panel applications with inherent misalignment concerns.
- Compact latch envelope and cross-section fits thin-profile doors, minimizes protrusion within the enclosure
- Forgiving mating tolerance accommodates misalignment and flexing of long door panels or hoods
- In the closed position, latch fully envelopes striker bolt for secure grip and protection
- All-metal construction for durable, long-lasting performance
- Hardened steel cams and triggers provide durable latching engagement
- Stainless steel styles for use in marine and off-highway applications
- Corrosion-resistant finish minimizes danger of rust interfering with latch operation or staining door panel
- Many styles compatible with single and multi-point remote actuation using cables or mechanical linkage
Available Options
- Separate models available for right-hand and left-hand opening styles
- Available in choice of threaded and through-hole mounting styles
- Electronically actuated rotary latch models also available
- Two-stage cam version prevents false latching condition
- Single and two-stage cam versions with integrated bumper option to eliminate noise and vibration
- Dual point option allows the rotary latch to be actuated from different points
- Compact and micro styles minimize protrusion within the enclosure
- Integrated cable mounting bracket option eliminates the need for secondary
- installation components
- Paddle actuator option combines rotary latch and actuator into one solution for simplified rotary system installation
Standards and Specifications
- Heavy-duty style latch meets Federal Motor Vehicle Safety Standard 206 for crash test performance when installed with optional supplemental bracket
- Stainless steel styles (304 SS) meet marine salt spray requirement
- Maximum dynamic working load for R4-20 Series is 200 N (45 lb.)
Industry Applications
- Bus, Coach & RV
- Enclosures
- Industrial Machinery
- Med & Heavy Truck
- Off-Highway – Construction, Farm Vehicles
