4983-DC120-20

Overview of Allen Bradley 4983-DC120-20

The Allen Bradley 4983-DC120-20 is a DIN rail mounted filter and surge protective device engineered for reliable power conditioning and transient voltage suppression in industrial electrical systems. Rated for 120V AC and a current of 20 amps, this compact unit combines surge protection and noise filtering to maintain equipment performance and prolong system life. It complies with UL 1449 and UL 1283 standards, ensuring dependable quality and safety certification. Suitable for single-phase applications, the 4983-DC120-20 is widely used in main electrical panels to protect sensitive electronic components from voltage spikes and electromagnetic interference.

Key Features of Allen Bradley 4983-DC120-20

• Combination of surge protective device and filter for comprehensive power quality improvement
• 120V AC voltage rating with 20A current capacity for common industrial circuits
• DIN rail mounting for easy and secure installation in electrical enclosures
• Single green LED indicator for easy power status monitoring
• Meets UL 1449 and UL 1283 safety standards for surge and EMI/RFI filtering
• Protects against line-to-neutral, line-to-ground, and neutral-to-ground transients
• Compact modular design reduces panel space requirements
• Response time under 0.5 nanoseconds for normal mode surges
• Durable high-impact plastic enclosure suitable for industrial environments
• Operating temperature range from -40°C to +60°C ensuring reliability under harsh conditions

Technical Specs of 4983-DC120-20

Specification	Details
Voltage Rating	120V AC
Current Rating	20 Amps
Mounting Type	DIN Rail
Surge Current Capability	15 kA (8x20 µs waveform)
Response Time	Normal Mode: < 0.5 ns
Operating Temperature	-40°C to +60°C
LED Indicator	Single green LED for power
Certifications	UL 1449, UL 1283, CE, CSA, CUL

Applications / Use Case

The Allen Bradley 4983-DC120-20 is ideal for protecting industrial control panels, automation equipment, and electrical distribution systems from damaging power surges and electrical noise. It is frequently deployed in manufacturing plants, processing facilities, and commercial buildings to ensure stable power delivery and to reduce downtime caused by transient voltage events. Its DIN rail form factor allows straightforward integration into existing control cabinets, making it a preferred solution for engineers seeking to safeguard programmable logic controllers (PLCs), variable frequency drives (VFDs), and other sensitive devices in harsh electrical environments.

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