CyberPower RKBS20ST4F8R Rackbar 12-Outlet Surge Protector - 1800J Surge Suppression - 120V AC - 1U Rackmount - 15 ft Cord
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Product Features
Technical Overview
This surge suppressor operates at 120 volts AC for both input and output, matching standard North American power infrastructure. The 20-amp circuit breaker provides overload protection, automatically disconnecting power if current exceeds safe limits.
The unit's 1800-joule surge energy rating indicates its capacity to absorb transient voltage spikes, while EMI/RFI filtration minimizes high-frequency noise that can disrupt sensitive equipment. Compliance with Restriction of Hazardous Substances (RoHS) standards ensures environmentally responsible manufacturing.
This section brings together practical product details such as Plug/Connector Type, Receptacles, Input Voltage, Output Voltage, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The RKBS20ST4F8R combines substantial surge protection with rack-specific convenience. Its 1800-joule rating defends against power surges, while the twist-lock NEMA L5-20P plug ensures secure primary power connection. The included cord retention tray and organizers maintain tidy cable runs, critical for airflow and maintenance in dense rack environments.
High-Density Outlet Layout
Twelve NEMA 5-20R outlets—four front, eight rear—maximize connectivity in limited rack space while keeping cables organized.
- Front and rear outlet placement
- NEMA 5-20R standard
- Optimized for rack equipment
Rack-Optimized Design
The 1U form factor fits standard 19-inch racks, with mounting brackets and cord management accessories included for clean installation.
- 1U rackmount height
- Includes mounting brackets
- Cord retention tray and organizers
Deployment / Use Cases
This surge protector is engineered for environments where rack space is premium and power protection cannot be compromised. Its 1U profile minimizes vertical space consumption while delivering full-featured surge suppression.
Ideal for IT professionals deploying equipment in standardized 19-inch racks, the RKBS20ST4F8R addresses both protection and practical power distribution. The front and rear outlet arrangement accommodates varied equipment configurations, and the 15-foot power cord provides installation flexibility where rack placement is fixed relative to power sources.
This section brings together practical product details such as Plug/Connector Type, Receptacles, Input Voltage, Output Voltage, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Data Center Racks
Protect servers, switches, and storage arrays in data center cabinets where power quality and outlet density are priorities.
Network Equipment Closets
Safeguard routers, firewalls, and VoIP systems in telecom rooms where space is constrained but protection is essential.
Physical Profile
The RKBS20ST4F8R measures 1.75 inches high, 17.50 inches wide, and 2.25 inches deep, fitting precisely into 1U of rack space. Its compact depth preserves rear clearance for cable management, while the 4.90-pound weight ensures stable mounting without excessive load on rack rails.
The unit includes two sets of mounting brackets for versatile installation, along with a cord retention tray and organizers to secure power cables. The 15-foot power cord length accommodates typical rack-to-power-source distances in server rooms and data centers.
- Width
- 17.50" (444.50 mm)
- Depth
- 2.25" (57.15 mm)
- Height
- 1.75" (44.45 mm)
- Weight
- 4.90 lb (2222.60 g)
- Length
- 15 ft (4.57 m)
What's in the Box
The package includes all components needed for immediate rack installation and operation.
Highlights
- 1800-joule surge energy rating for robust voltage spike protection
- 12 NEMA 5-20R outlets (4 front, 8 rear) for high-density power distribution
- 1U rackmount design fits standard 19-inch server racks
- 120 V AC input and output voltage for North American power systems
- 15-foot power cord with NEMA L5-20P twist-lock plug
- EMI/RFI filtration reduces electrical noise interference
- Includes mounting brackets, cord retention tray, and organizers
- Lifetime limited warranty for long-term reliability assurance
- RoHS compliant for environmentally responsible manufacturing
- 20-amp circuit breaker provides overload protection
Specifications
| Specifications | |
|---|---|
| Manufacturer | CyberPower Systems, Inc |
| Manufacturer Part Number | RKBS20ST4F8R |
| Brand Name | CyberPower |
| Product Series | Rackbar Surge |
| Product Model | RKBS20ST4F8R |
| Product Name | RKBS20ST4F8R Rackbar 12 - Outlet Surge Protector with 1800 J Surge Suppression |
| Product Type | Surge Suppressor/Protector |
| Technical Information | |
| Plug/Connector Type | NEMA L5-20P |
| Receptacles | 12 x NEMA 5-20R |
| Power Description | |
| Input Voltage | 120 V AC |
| Output Voltage | 120 V AC |
| Surge Energy Rating | 1800 J |
| Physical Characteristics | |
| Power Cord/Cable Length | 15 ft (4.57 m) |
| Height | 1.75" (44.45 mm) |
| Width | 17.50" (444.50 mm) |
| Depth | 2.25" (57.15 mm) |
| Weight (Approximate) | 4.90 lb (2222.60 g) |
| Miscellaneous | |
| Package Contents | Rackbar Surge Suppressor RM 1U RKBS20ST4F8R 20A 12-Outlet Mounting Brackets (2 Sets) Cord Retention Tray Cord Organizers User Manual |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
What is the surge energy rating of this CyberPower rackmount surge protector?
The RKBS20ST4F8R has a surge energy rating of 1800 joules. This rating indicates the total energy the device can absorb from voltage spikes over its lifetime, providing substantial protection for connected rack equipment against power surges and transient voltages.
How many outlets does this surge protector have, and how are they arranged?
This unit features 12 NEMA 5-20R outlets, with four located on the front panel and eight on the rear panel. This arrangement allows flexible cable routing and efficient use of rack space, accommodating both front-access and rear-access equipment connections in standard server racks.
What type of power plug does the RKBS20ST4F8R use?
The surge protector includes a 15-foot power cord terminated with a NEMA L5-20P twist-lock plug. This plug design ensures a secure connection to compatible power outlets, reducing the risk of accidental disconnection in rack environments where vibration or cable movement may occur.
Is this surge protector compatible with standard server racks?
Yes, the RKBS20ST4F8R is designed for 19-inch wide server racks and occupies 1U of vertical rack space. Its dimensions are 1.75 inches high, 17.50 inches wide, and 2.25 inches deep. The package includes two sets of mounting brackets for secure installation in standard rack mounting holes.
Does this unit provide EMI/RFI filtration?
Yes, the RKBS20ST4F8R includes EMI/RFI filtration. This feature reduces electromagnetic interference and radio-frequency interference that can be introduced through power lines, helping to maintain clean power delivery to sensitive electronic equipment such as servers, networking gear, and storage devices.
What warranty coverage does CyberPower offer for this rackmount surge protector?
CyberPower provides a lifetime limited warranty for the RKBS20ST4F8R. This warranty covers defects in materials and workmanship for the product's lifetime, offering long-term assurance of reliability and performance for rack deployment in business IT environments.
What power capacity is listed for this UPS?
Power specifications help show where the unit fits best, including the type of load level, electrical environment, and backup role it is intended to support. These are usually the most decision-critical facts in a UPS or power-protection comparison.
What voltage details are listed?
The listed power specification is 120 V AC, which helps position the unit for the right load level and installation role.
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