R4 Rotary Latch

R4 Rotary Latch
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R4 Rotary Latch

Product catalog summary
Overview: The document outlines the specifications and options for the R4 Rotary Latch series by Southco, designed for concealed applications with single and two-stage actuation. These latches are ideal for space-limited applications and compatible with various actuators.
Specifications: The R4 Rotary Latch is available in steel (zinc plated) or 304 stainless steel (passivated), featuring an integrated bumper for anti-vibration. It complies with EN 45545-3 E60 standards. The average ultimate load capacity ranges from 2600 N (590 lbf) to 3600 N (800 lbf) depending on the model.
Design and Features: The latches come in single-stage and two-stage actuation configurations, with options for hand actuation, bottom actuation, and dual trigger mechanisms. They include integrated bumpers for vibration reduction and are compatible with multiple actuator types.
Installation and Accessories: The document provides installation notes and references additional accessories such as cables and retainer clips. Striker bolts are available in different configurations for standard and integrated bumper versions.
Part Number Selection: A detailed breakdown of part number configurations is provided, allowing customization based on stage and actuation type, lever type, material, and mounting style.
Performance and Compliance: The document emphasizes compliance with FMVSS 206 and EN 45545-3 E60 standards, ensuring safety and reliability. Heavy-duty versions offer additional compliance options.
Conclusion: The R4 Rotary Latch series provides versatile and robust solutions for concealed latching needs, focusing on safety, compliance, and adaptability to different actuator systems.
Additional Notes: Electromechanical rotary latch options are available, with further details accessible on the Southco website.
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Catalog excerpts

R4 Rotary Latch-1

Micro · Concealed · Single and two stage • Ideal for space limited applications • Compatible with wide array of actuators • Integrated bumper for anti-vibration feature Single Stage - Hand Actuation, Integrated Bumper Striker bolt 2 x Mounting holes (see table) Pull direction Material and Finish Steel, zinc plated or 304 stainless steel, passivated Part Number O-Ring Washer Performance Details Average ultimate load: 2600 N (590 lbf) Installation Notes Part Number Molded striker Accessories Cables and retainer clips see pages 272-275 Two Stage - Bottom, Integrated Bumper Pull direction 2 x Mounting holes (see table) Electromechanical rotary latch available see page 23 18.5 (.73) Part Number Wire form striker Part Number Selection ________________________________________________________________________________ S Stage & Actuation 2 Single stage 4 Two stage Other options available. For complete details on variety, part numbers, installation and specification, go to L Lever Type 4 Hand Actuation 5 Bottom Mounting Style 4.5 (.177) thru 8-32 thread M4 x 0.7 thread Dimensions in millimeters (inch) unless otherwise stated M Material 10 Steel 20 Stainl

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R4 Rotary Latch-2

Mini · Concealed · Single and two stage Single Stage - Perpendicular (left hand actuation shown) 2 x Mounting holes (see table) Trigger Ø6 (.24) Panel Spring Integrated Bumper Version (dimensions same as standard version except as shown) Steel, zinc plated or 304 stainless steel, passivated Performance Details Average ultimate load: 3600 N (800 lbf) Installation Notes Striker bolt assembly (sold separately) (see page 259) Accessories Striker bolts for standard version and integrated bumper version are different. See page 259 for both versions. ACTUAL SIZE Pull direction • Single or multi-point...

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R4 Rotary Latch-3

Mini · Concealed · Single and two stage Single Stage - Two Point (left hand actuation shown) 12.5 (.49) Pull direction Cam Housing 28 (1.1) 2 x Mounting holes (see table) (dimensions same as standard version except as shown) Integrated Bumper Version Steel, zinc plated or 304 stainless steel, passivated Performance Details Average ultimate load: 3600 N (800 lbf) Striker bolt assembly (sold separately) (see page 259) ACTUAL SIZE Single Stage - Hand Actuation Integrated Bumper Version Pull direction ACTUAL SIZE Striker bolts for standard version and integrated bumper version are different. See...

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R4 Rotary Latch-4

Mini · Concealed · Single and two stage Single Stage - Bottom Steel, zinc plated or 304 stainless steel, passivated Average ultimate load: 3600 N (800 lbf) Integrated Bumper Version Pull direction ACTUAL SIZE 15.6 (.61) 2 x Mounting holes (see table) (dimensions same as standard version except as shown) Electromechanical rotary latch available see page 23 (left hand actuation shown) Cables and retainer clips see pages 272-275 Striker bolt assembly (sold separately) (see page 259) Striker bolts for standard version and integrated bumper version are different. See page 259 for both versions. ACTUAL...

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R4 Rotary Latch-5

Mini · Concealed · Dual Trigger · Single and two stage Single Stage - Dual Trigger - Bottom Integrated Bumper Version (left hand actuation shown) 12.5 (.49) 39.2±1 (1.54±.04) (dimensions same as standard version except as shown) Striker bolt assembly (sold separately) (see page 259) Pull direction Accessories Striker bolts for standard version and integrated bumper version are different. See page 259 for both versions. Cables and retainer clips see page 272-275 Trigger - use retaining clip R4-0-43922-2 Lever - use retaining clip R4-0-43922 Notes Electromechanical rotary latch available see page...

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R4 Rotary Latch-6

Mini · Concealed · Single and two stage • Direct actuation, no cable or rod required • Integrated bumper version for anti-vibration feature • EN 45545-3 E60 Compliant (Standard version only) Integrated Bumper Version (dimensions same as standard version except as shown) (left hand actuation shown) 11 (.43) Material and Finish Steel, zinc plated or 304 stainless steel, passivated Performance Details Average ultimate load: 3600 N (800 lbf) Installation Notes See page 259 Striker bolts for standard version and integrated bumper version are different. See page 259 for both versions. ACTUAL SIZE Notes...

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R4 Rotary Latch-7

R4 Rotary Latch Integrated Cable Mounting Bracket · Stainless Steel Mini · Concealed · Single stage Single Stage - Bottom (Right hand actuation shown) 30.6 (1.56) 11 (.43) Pull direction 2 x Mounting holes (see table) 13.5 (.53) 48 (1.89) Material and Finish Steel, zinc plated or stainless steel Panel Preparation Pull direction Integrated Bumper Version Striker bolt assembly (sold separately) Performance Details Average ultimate load: 3600 N (800 lbf) Accessories Striker bolt Cables and retainer clips Stage & Actuation Single stage, right hand Single stage, left hand Two stage, right hand Two...

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R4 Rotary Latch-8

Heavy-Duty · Concealed · Single and two stage Perpendicular (left hand actuation shown) Pull direction ACTUAL SIZE Steel, zinc plated Steel, black zinc nickel plated Stainless Steel, passivated 77 (3.03) Striker bolt assembly (sold separately) (see page 261) 19 (.75) 2 x Mounting holes (see table) Pull direction Accessories Cables and retainer clips see page 272-275 Notes R4-38-101-10 support bracket sold separately for FMVSS 206 compliance Bottom (left hand actuation shown) • Compatible with wide array of actuators • MVSS 206 compliant F options • N 45545-3 E60 compliant E (Standard version...

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R4 Rotary Latch-9

Heavy-Duty · Concealed · Single and Two stage 2-Point Actuator (left hand actuation shown) 16.9 (.67) Pull direction Pull direction Striker bolt assembly (sold separately) Dual Trigger (left hand actuation shown) 35.7 (1.40) Pull direction 2 x Mounting holes (see table) ACTUAL SIZE Striker bolt assembly (sold separately) (see page 261) 2 x Mounting holes (see table) Strikers (sold separately) Striker Bolt Part Number Part Number Protected Striker Part Number Material Stainless Steel Ø 28.7 (1.13) Other options available. For complete details on variety, part numbers, installation and specification,...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.