SPD-277S-20KA

Product Overview

Category: Surge Protection Device
Use: Protects electrical and electronic equipment from power surges
Characteristics: High surge current capacity, compact design, easy installation
Package: Includes surge protection device, mounting hardware, user manual
Essence: Safeguarding sensitive equipment from voltage spikes
Packaging/Quantity: Individually packaged, quantity 1

Specifications

Model: SPD-277S-20KA
Maximum Discharge Current: 20kA
Operating Voltage: 277V AC
Frequency: 50/60Hz
Response Time: <25ns
Protection Modes: L-N, L-G, N-G
Operating Temperature: -40°C to 85°C
IP Rating: IP20
Certifications: UL1449 4th Edition, CSA C22.2 No.269

Detailed Pin Configuration

The SPD-277S-20KA features a three-pin configuration: - L: Line connection - N: Neutral connection - G: Ground connection

Functional Features

Provides multi-mode protection for comprehensive coverage
Compact design for easy integration into existing electrical systems
Fast response time ensures minimal impact on connected equipment
LED status indicators for visual monitoring of protection status

Advantages and Disadvantages

Advantages: - High surge current capacity for robust protection - Easy installation and maintenance - Comprehensive protection modes for enhanced safety

Disadvantages: - Limited to specific operating voltage and frequency ranges - May require professional installation in some applications

Working Principles

The SPD-277S-20KA operates by diverting excess voltage and current away from connected equipment during a surge event. It utilizes a combination of metal oxide varistors (MOVs) and gas discharge tubes to shunt the surge energy to ground, protecting downstream devices.

Detailed Application Field Plans

The SPD-277S-20KA is suitable for various applications, including: - Industrial facilities - Commercial buildings - Data centers - Telecommunication infrastructure - Renewable energy installations

Detailed and Complete Alternative Models

SPD-277S-10KA: Similar design with a lower maximum discharge current of 10kA
SPD-480S-20KA: Designed for 480V AC systems with a 20kA maximum discharge current
SPD-120S-40KA: Higher discharge current of 40kA for increased protection capacity

In conclusion, the SPD-277S-20KA surge protection device offers reliable protection for electrical and electronic equipment, making it an essential component in safeguarding sensitive systems from power surges.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SPD-277S-20KA dalam solusi teknis

What is SPD-277S-20KA?
- SPD-277S-20KA is a surge protection device designed to protect electrical and electronic equipment from transient overvoltages caused by lightning or switching events.
Where should SPD-277S-20KA be installed?
- SPD-277S-20KA should be installed at the main electrical panel to provide whole-house surge protection.
What is the maximum surge current handling capacity of SPD-277S-20KA?
- SPD-277S-20KA has a maximum surge current handling capacity of 20,000 amps.
What are the typical applications for SPD-277S-20KA?
- Typical applications for SPD-277S-20KA include residential, commercial, and industrial electrical systems, as well as sensitive electronic equipment such as computers, telecommunication systems, and control systems.
How does SPD-277S-20KA work?
- SPD-277S-20KA diverts excess voltage from transient overvoltages to the ground, protecting connected equipment from damage.
Is SPD-277S-20KA suitable for outdoor installation?
- Yes, SPD-277S-20KA is suitable for outdoor installation when installed in a weatherproof enclosure.
What is the lifespan of SPD-277S-20KA?
- The lifespan of SPD-277S-20KA is typically 5-10 years, after which it should be replaced to ensure continued protection.
Can SPD-277S-20KA be used in conjunction with other surge protection devices?
- Yes, SPD-277S-20KA can be used in conjunction with secondary surge protection devices for added protection.
Does SPD-277S-20KA require regular maintenance?
- SPD-277S-20KA should be inspected regularly for signs of damage or wear, but it does not require regular maintenance beyond visual inspections.
Is professional installation required for SPD-277S-20KA?
- It is recommended to have SPD-277S-20KA installed by a qualified electrician to ensure proper installation and compliance with local electrical codes.