Black Box SP508A RS-422/423/485 Serial Surge Protector - DB15 Port - 7. 5V Clamping - 40+ Mbps Data Rate
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Product Features
Product Overview
The Black Box SP508A is a specialized serial surge protector designed to safeguard RS-422, RS-423, and RS-485 communication lines from damaging voltage spikes and transients. Engineered with state-of-the-art avalanche-diode technology, it provides robust protection for sensitive industrial, commercial, and data communication equipment.
This DB15-port protector ensures minimal signal loss while maintaining high data integrity, supporting data transmission rates exceeding 40 Mbps. Its compact design allows for straightforward installation directly at the equipment port, making it an essential component for any environment where serial communication reliability is critical.
This section brings together practical product details such as Country of Origin, Environmentally Friendly, Environmental Compliance, Limited Warranty, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Technical Overview
The SP508A utilizes extremely sensitive avalanche-diode technology to clamp transient voltages at 7.5 volts with a 132-amp peak pulse current capacity. This precise clamping action prevents overvoltage conditions from reaching connected equipment while maintaining signal integrity.
With a maximum shunt capacity measured in picofarads (pF), the protector effectively diverts surge energy away from sensitive circuits. The DB15 interface supports multi-mode operation across RS-422, RS-423, and RS-485 serial standards, providing versatile protection for various industrial and data communication applications.
This section brings together practical product details such as Country of Origin, Environmentally Friendly, Environmental Compliance, Limited Warranty, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The SP508A delivers reliable surge protection without compromising communication performance. Its simple port-level installation eliminates the need for complex wiring modifications, while the robust construction ensures long-term durability in demanding environments.
Advanced Protection Technology
State-of-the-art avalanche-diode design ensures rapid response to voltage spikes while maintaining minimal signal degradation during normal operation.
- 7.5V clamping voltage
- 132-amp peak pulse current
- pF maximum shunt capacity
High-Performance Data Integrity
Engineered to support data transmission rates over 40 Mbps with minimal signal loss, making it suitable for high-speed serial communication applications.
- Maintains signal quality
- Supports fast data rates
- DB15 port compatibility
Deployment / Use Cases
This serial surge protector is ideal for protecting RS-422, RS-423, and RS-485 communication lines in industrial automation systems, point-of-sale terminals, security systems, and data acquisition equipment. Its DB15 interface makes it particularly suitable for legacy systems and specialized industrial controllers that utilize this connector standard.
Install the SP508A at the equipment port to safeguard against voltage spikes caused by lightning-induced surges, power switching transients, or electrostatic discharge. The protector's compact form factor allows for deployment in space-constrained environments such as control panels, equipment racks, and field installations where reliable serial communication is essential.
Industrial Automation
Protect PLCs, HMIs, and industrial controllers from voltage transients in manufacturing and process control environments.
Legacy System Protection
Safeguard older RS-422/423/485 equipment in retail, security, and building management systems that still rely on serial communication.
Highlights
- Protects RS-422, RS-423, and RS-485 serial communication lines
- 7.5V clamping voltage with 132-amp peak pulse current
- State-of-the-art avalanche-diode technology for sensitive protection
- Data rates supported over 40 Mbps with minimal signal loss
- DB15 port connector for direct equipment installation
- pF maximum shunt capacity for effective surge diversion
- Simple port-level installation requires no wiring modifications
- Manufactured in the United States with RoHS and WEEE compliance
- 10-year limited warranty for long-term reliability assurance
- Environmentally friendly construction and manufacturing processes
Specifications
| Specifications | |
|---|---|
| Manufacturer | Black Box Corporation |
| Manufacturer Part Number | SP508A |
| Brand Name | Black Box |
| Product Model | SP508A |
| Product Name | RS-422 Surge Protector, DB15 |
| Product Condition | New |
| Product Type | Surge Suppressor/Protector |
| Miscellaneous | |
| Country of Origin | United States |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 10 Year |
User Manual
FAQ
What serial communication standards does the SP508A protect?
The Black Box SP508A surge protector is designed for RS-422, RS-423, and RS-485 serial communication standards. These are commonly used in industrial automation, point-of-sale systems, security equipment, and data acquisition applications where reliable serial data transmission is critical.
What is the clamping voltage of this surge protector?
This protector features a 7.5-volt clamping voltage with 132-amp peak pulse current capacity. The avalanche-diode technology ensures rapid response to voltage spikes, clamping transient voltages at this level to prevent damage to connected equipment while maintaining normal signal transmission.
What data rates does the SP508A support?
The SP508A supports data transmission rates exceeding 40 Mbps with minimal signal loss. This high-speed capability makes it suitable for applications requiring fast serial communication while maintaining protection against voltage transients that could disrupt data integrity.
How is this surge protector installed?
Installation is straightforward at the equipment port using the DB15 connector. The protector installs directly between the serial communication line and the equipment, requiring no complex wiring modifications. This port-level installation approach provides localized protection right at the connection point.
What environmental certifications does this product have?
The SP508A is manufactured with environmental compliance including Restriction of Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment Directive (WEEE) standards. It's also manufactured in the United States and designed with environmentally friendly materials and processes.
What warranty coverage is provided with this surge protector?
Black Box provides a 10-year limited warranty for the SP508A serial surge protector. This extensive warranty period reflects the product's durability and reliability in protecting sensitive communication equipment from voltage transients in demanding operational environments.
| Qty | Price | Available |
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