Latches, Locks

Part Number	Description / PDF	Quantity
31812200 Mesan (Essentra Access Solutions)	SMALL SWING HANDLE HYBRID SEALED	5
722.3-12-20-L-A4 J.W. Winco	S.S. SQUARE CAM ACTION LATCH	30
722.2-12-20-B-ZB J.W. Winco	STEEL SQUARE CAM ACTION LATCH	28
660220204200 Mesan (Essentra Access Solutions)	CAM LATCH 22X20 CUT OUT POLYMER	50
0402119400002 Mesan (Essentra Access Solutions)	ADJUSTABLE COMPRESSION LH 22X20	10
90811201500 Mesan (Essentra Access Solutions)	SWING HANDLE LATCH HYBRID SEALED	25
115-SG-13 J.W. Winco	CAM LATCH PANEL MOUNT PLASTIC	30
MHK1 Hammond Manufacturing	6 PADLOCKING 1-PT LATCH ZINC	2
722.2-12-20-A-A4 J.W. Winco	S.S. SQUARE CAM ACTION LATCH	30
0401121300002 Mesan (Essentra Access Solutions)	COMPRESSION CAM LATCH LH 22X20 C	10
722.3-12-20-L-SW J.W. Winco	STEEL SQUARE CAM ACTION LATCH	35
2401110000 Mesan (Essentra Access Solutions)	T-HANDLE COMPRESSION CAM LATCH 2	10
90812201500 Mesan (Essentra Access Solutions)	SWING HANDLE LATCH HYBRID SEALED	73
16MG52/L J.W. Winco	CAM LATCH PANEL MOUNT STEEL	30
3402110300 Mesan (Essentra Access Solutions)	ADJUSTABLE WING KNOB COMPRESSION	10
1771100 Mesan (Essentra Access Solutions)	ADJUSTABLE LEVER COMPRESSION LAT	5
31820200 Mesan (Essentra Access Solutions)	SMALL SWING HANDLE POLYMER SEALE	5
0402129300002 Mesan (Essentra Access Solutions)	ADJUSTABLE COMPRESSION LH 22X20	10
MHKL2SS Hammond Manufacturing	HANDLE KIT MHK SERIES	0
SDLOCK-004 Panduit Corporation	NET-ACCESS CABINET DOOR LOCK, UN	0

Latches, Locks

1. Overview

Latches and locks are critical mechanical/electromechanical components designed to secure enclosures, boxes, and racks in industrial, commercial, and IT infrastructure systems. They ensure equipment safety, prevent unauthorized access, and maintain environmental protection ratings. Modern applications demand high reliability, integration capabilities, and compliance with international standards.

2. Main Types and Functional Classification

Type	Function Features	Application Examples
Mechanical Latch	Manual operation with physical key/paddle, high durability	Industrial control cabinets, HVAC enclosures
Electronic Lock	Keyless entry, access control integration, audit trail	Data center server racks, secure laboratories
Electromagnetic Lock	High holding force, fail-safe design, requires power	Server room entry gates, security doors
Cam Lock	Rotational locking mechanism, interchangeable cores	Meter boxes, outdoor telecom cabinets
Push-to-Lock System	Ergonomic operation, visual confirmation indicator	Medical equipment, cleanroom furniture

3. Structure and Components

Typical construction includes: - Lock Body: Die-cast metal or reinforced polymer housing - Actuation Mechanism: Spring-loaded plungers, solenoids, or motorized drives - Transmission Elements: Rods, cables, or electronic signal interfaces - Security Features: Tamper-proof screws, pick-resistant cores - Environmental Sealing: Rubber gaskets, IP-rated enclosures

4. Key Technical Specifications

Parameter	Description	Importance
Load Capacity	50-2000N operational force range	Ensures structural integrity under stress
Security Level	UL 437 Grade 1-5 classification	Determines resistance to drilling/tampering
Environmental Rating	IP65-IP68 protection level	Guarantees performance in harsh conditions
Operational Cycle	10,000-100,000 cycles endurance	Measures long-term reliability
Access Control Protocol	Support for Wiegand, RS485, or RFID	Enables system integration

5. Application Areas

Industrial Automation: PLC cabinets, machinery guarding
Telecom Infrastructure: 5G base stations, fiber distribution hubs
Medical Equipment: MRI machine enclosures, drug storage
Transportation: Rail vehicle control panels, avionics bays
Data Centers: Server racks, battery backup systems

6. Leading Manufacturers and Products

Manufacturer	Key Products	Special Features
Southco Inc.	EM Series electromagnetic locks	Self-monitoring circuitry, 1200lb holding force
Penn Elcom	KeySafe security system	Modular design, IP66 rating
Hoffman Enclosures	Locking handles with RFID	Integrated access control, stainless steel
ABLOY SECURITY	Disc detainer mechanical locks	1 million+ key combinations
Allegion	Pneumatic door actuators	Explosion-proof certification

7. Selection Guide

Key considerations: - Environmental factors (temperature, humidity, chemical exposure) - Security requirements (NIST compliance, lockout/tagout protocols) - Integration needs (IoT connectivity, remote monitoring) - Mechanical compatibility (mounting dimensions, door thickness) - Lifecycle cost (maintenance frequency, spare parts availability)

Case Study

A European data center selected Southco's EML20-15R locks for server racks, achieving: - 40% faster technician access - Real-time audit logging - IP67 protection in cooling system enclosures - Seamless integration with existing access control

Industry Trends

Emerging developments include: - Smart locks with AI-based intrusion detection - Biometric authentication integration (fingerprint, facial recognition) - Self-powered systems using energy harvesting - Corrosion-resistant nanocoatings for marine applications - Standardization under ISO/IEC 30107 for secure IoT access

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