Description
Product Name: 100S-D420EA22C Allen Braley Controller module
Product details:
The Allen-Bradley 100S-D420EA22C is a high-performance Safety Contactor designed specifically for applications requiring safe switching of high-power electrical loads. Part of the Bulletin 100S-D series, it integrates mechanically linked, bifurcated auxiliary contacts to ensure reliability in safety-related control systems.
Product Detailed Description
The 100S-D420EA22C is a 3-Pole Safety Contactor equipped with an Electronic DC Coil. It features a specialized design where the auxiliary contacts are permanently fixed to the front of the unit. This prevents manual override and ensures that the status of the main contacts is always accurately reflected by the auxiliary contacts—a critical requirement for Category 4 safety systems or Performance Level e (PL e) applications.
Technical Parameters
| Feature | Specification |
| Model Number | 100S-D420EA22C |
| Main Poles | 3-Pole (Normally Open – N.O.) |
| Rated Operational Current (AC-3) | 420 A |
| Coil Voltage | 24V DC (Electronic Coil) |
| Auxiliary Contacts | 2 N.O. + 2 N.C. (Bifurcated, Side/Front Mounted) |
| Termination Type | Bolt-on / Lug Terminals |
| Enclosure Rating | IP00 (Open Type) |
| Standard Compliance | IEC/EN 60947, UL 508, CSA C22.2 |
Key Product Advantages
- Enhanced Safety Reliability: Features Mechanically Linked (Force-Guided) contacts. If a main contact welds, the N.C. auxiliary contact will not close, allowing the safety relay to detect the fault.
- Electronic Coil Technology: The “EA” designation indicates an electronic DC coil which offers lower power consumption, reduced heat dissipation, and a wider voltage tolerance compared to standard coils.
- Tamper-Resistant: The protective cover prevents manual operation of the contactor, ensuring that the system can only be controlled by the intended safety logic.
- High Durability: Designed for heavy-duty industrial environments with high switching frequencies and a long electrical lifespan.
Important Considerations & Precautions
- Installation Environment: Ensure adequate ventilation. Given the 420A rating, this unit generates significant heat under full load; maintain proper spacing from heat-sensitive components.
- Wiring Integrity: Use correctly sized cables and torque the terminals to the manufacturer’s specifications to prevent overheating or “hot spots” at the connection points.
- No Manual Overriding: Do not attempt to force the contacts manually. The safety housing is designed to prevent this to maintain the integrity of the safety circuit.
- Coil Polarity: For DC electronic coils, ensure the polarity (+/-) is correctly observed to avoid damaging the internal electronics.
Industrial Applications
The 100S-D420EA22C is typically found in large-scale industrial setups where human safety and high-power control intersect:
- Automotive Manufacturing: Main power isolation for robotic welding cells.
- Heavy Machinery: Emergency stop (E-Stop) circuits for large motors and compressors.
- Material Handling: Safety interlocking for high-capacity conveyors and mining equipment.
- Wind & Solar Energy: Grid disconnection systems where fail-safe performance is mandatory.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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