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R4-EM - 5 & 7 Series Electronic Rotary Latch

R4-EM - 5 & 7 Series Electronic Rotary Latch

R4-EM - 5 & 7 Series Electronic Rotary Latch

Product catalog summary
Overview: The document provides technical specifications and installation instructions for the R4-EM series electronic rotary latch, which offers electronic access with internal motor control and is available in various configurations.
Specifications:
  • Motor actuator is sealed against water and dust ingress to IP56 standards.
  • Available in corrosion-resistant plated-steel and stainless steel options.
  • Features include push-to-close, electronic release, versatile rotary mechanism, concealed latching, microprocessor control, auto or delayed relock functionality, minimal power draw, and optional internal micro-switch for latch status.
  • Electrical specifications include a recommended operating voltage of 12 to 24 Volt DC, typical operating current of less than 600mA at 12 VDC, and micro-switch rating of 3A maximum at 12VDC.
Installation:
  • Panel preparation and mounting instructions are provided, with specific dimensions for mounting holes and striker bolt installation.
  • Base mounting styles include 1/4-20 thread, M6 thread, and thru-hole options.
Operation:
  • Auto relock: The latch unlocks and releases the spring-loaded cam to open a door, cycling through unlatched and relatched states automatically.
  • Delayed relock: The latch unlocks, allowing manual door operation, and remains unlocked as long as the signal is present. The signal can be removed to re-lock the latch.
Part Number Selection:
  • Options include packaging, connector, switch, alternate configurations, base mounting style, trigger style, and material options.
Accessories:
  • Striker bolts and cable mounting kits are available, with specific part numbers and material details provided.
Wiring and Connections:
  • Detailed pin assignments and wire color codes are provided for proper electrical connections.
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Catalog excerpts

R4-EM - 5 & 7 Series Electronic Rotary Latch-1

Mounting holes (See Part Number table) Sealed motor · Stainless steel housing option Electronic access with internal motor control DOOR OPEN M8 Mounting holes x 1.25 (See Part Thread Number table) Mechanical trigger 12.5 (.49) Mechanical trigger 18.0 (.71) 69.3 Mechanical over-ride cable mounting bracket (2.73) kit for rear trigger latch (R4-EM-87). (See page XXX) ACTUAL SIZE Latch Wiring Connections Sealed Connector Molex MX150 series Non-sealed Connector Molex Microfit 3.0 series Striker bolt (sold separately) • Motor actuator sealed against water and dust ingress to IP56 • Corrosion resistant plated steel and stainless steel options • Push-to-close, electronic release • Versatile rotary mechanism • Concealed latching • Microprocessor control • Auto or delayed relock functionality • Minimal power draw • Optional internal micro switch for latch status • Simple mechanical over-ride Mechanical trigger Part Number Selection Mechanical over-ride cable mounting bracket kit for rear trigger latch (R4-EM-87). (See page XXX) T Trigger Style 53.8 (2.12) 5 Auto re-lock, side trigger,140 (5.5) with kick-out spring minimum 7 Delayed re-lock, side trigger, with light spring 20.7 Auto re-lock, rear trigger, with kick-out spring R5 (.816) R7 Delayed re-lock, rear trigger, with light spring Other options available. For complete details on variety, part numbers, installation and specification, go to B Base Mounting Style 1 1/4-20 thread 2 M6 thread 3 Ø 7.0 (.27) thru hole A Alternate Configurations Pin 3 Pin 2 None Standard configuration Pin 1 2 Strong (kick out) cam spring (delayed relock) 3 High strength cam (steel cam only) M = none only 4 High strength cam with strong (kick out) cam spring (delayed relock, steel cam only) M = none only Dimensions in millimeters (inch) unless otherwise stated M Material Options None Steel, zinc-nickel plated B Stainless steel, passivated 430 (16.9) A = none or 2 P Packaging Options None Individually packaged 1 Bulk packaged C Connector Options 1 Non-sealed connector 2 No connector (stripped and tinned) 3 Sealed connector S Switch Options 3 No switch 6 Int

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R4-EM - 5 & 7 Series Electronic Rotary Latch-2

Material & Finish Installation Panel Preparation Base Mounting Style Recommended minimum mounting hole Thru hole 42.5 ±0.2 (1.673 ±.008) Mounting holes (see table) Electrical Specifications Recommended Operating Voltage: 12 to 24 Volt DC Typical Operating Current (average at no load): Less then 600mA at 12 VDC Input Signal Current Draw: 25mA Maximum at 24 VDC Micro-switch Rating: 3A Maximum at 12VDC Operation See page 34 for operating instructions Accessories Striker Bolt or Cast Striker See page 35 Mechanism Housing, Cam, Trigger, Pins: Zinc nickel plated steel or stainless steel Springs: 300...

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R4-EM - 5 & 7 Series Electronic Rotary Latch-3

Signal device Operation - Auto relock 1. he signal unlocks the R4-EM T latch and releases the spring loaded cam which rotates out to push a lightweight door open. The mechanism will cycle through unlatched then relatched state automatically, regardless of input signal on time. 2. ush door closed to engage P striker after unlock time has expired. Striker will rotate cam to closed position. R4-EM Electronic Rotary Latch LOCK LATCH Operating instructions Signal device Remove signal to lock R4-EM Latch OPEN LATCH Signal to unlock the R4-EM latch Signal device Optional mechanical over-ride LOCK LATCH...

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R4-EM - 5 & 7 Series Electronic Rotary Latch-4

Striker Bolt - Large Part number R4-90-121-10 Striker Bolt - Small Part number R4-90-511-20 Material and Finish Striker bolts: Steel, zinc plated Cast strikers: Zinc alloy Cable mounting kits: Glass-filled nylon, black *Note: Latch and striker installation details can be found on the latch trade drawing at www.southco.com. Cast Striker with Door Sensor Part number R4-90-804-10* Cast Striker without Door Sensor Part number R4-90-800-10* Dimensions in millimeters (inch) unless otherwise stated

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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.