SCHIELE DL22N-22

Technical Specifications

• Contact configuration: 2 normally open (NO) + 2 normally closed (NC) auxiliary contacts
• Rated control voltage: Standard coil voltage options available
• Rated operational current: Contact current rating per pole
• Rated insulation voltage: Standard low-voltage system rating
• Mechanical endurance: Millions of operating cycles
• Electrical endurance: Hundreds of thousands of operations at rated load
• Operating temperature range: -25°C to +55°C
• Protection class: IP20 standard
• Mounting: 35mm DIN rail mount / screw mounting

Functional Features

• Electromagnetic actuation provides reliable switching performance
• Dual contact configuration supports both NO and NC circuit requirements
• Compact design saves cabinet space
• Silver alloy contact material ensures long electrical life
• Low power consumption coil design
• Clear visual position indicator shows contact state

Application Scenarios

• Industrial control cabinets and automation systems
• Motor control circuits and starter assemblies
• Signal switching and interlock circuits
• Building automation and HVAC control systems
• Lighting and power distribution control

Material Composition

• Housing: Thermoplastic material with high dielectric strength
• Contacts: Silver alloy with excellent conductivity and wear resistance
• Coil: Copper winding with thermal class insulation
• Core: Laminated magnetic steel for efficient magnetic flux
• Terminals: Tin-plated copper for reliable connections

Structural Characteristics

• Compact modular housing design
• Integrated coil and contact assembly
• Front-facing screw terminals for easy wiring
• Mechanical indicator for contact position verification
• Standard mounting footprint for DIN rail installation
• Arc suppression chamber design for contact protection

Working Principle

When voltage is applied to the coil, electromagnetic force pulls the armature toward the magnetic core, mechanically transferring motion to the contact assembly. This action closes normally open contacts and opens normally closed contacts. When coil power is removed, a return spring forces the armature back to its resting position, restoring contacts to their original state. The electromagnetic principle provides fast, repeatable switching operation.

Installation Requirements

• Mount on standard 35mm DIN rail or mounting plate
• Ensure proper torque on terminal screws
• Allow minimum clearance for heat dissipation
• Install in vertical orientation as specified
• Use appropriate wire gauge for rated current

Operating Notes

• Verify coil voltage matches supply before energizing
• Do not exceed rated current on any contact pole
• Periodically inspect contacts for wear and oxidation
• Use surge suppression for inductive coil loads
• Ensure proper labeling of all connected circuits