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Product Details
Server Technology 36 PRO4X Switched 11kW – 22kW (24) Cx & (12) C13 HDOT Outlets Rack PDU - C4W36RA-5CBD2FE1
Server Technology's PRO4X Switched PDUs run on our state-of-the-art Xerus network interface platform and provide remote access to power, PDU status, input and branch current monitoring, and outlet on/off control. The PDU features RamLock, a self-locking mechanism to prevent accidental cord disconnects, and our award-winning HDOT Cx outlets that can be deployed as either a C13 or C19. Switched PDUs are guaranteed secure and feature external authentication and authorization support, while SNMP traps provide automated alerts on power and environmental conditions from Legrand's plug-and-play environmental monitoring sensors like temperature, humidity, water, dry contact closure, airflow, air pressure differential, and more
Features
High-Density Outlet Technology
The highest outlet density available in a network-connected PDU meets IEC C13 and C19 specifications, plus high native retention and UL94V-0 flame rating.
HDOT Cx Outlets
The Cx is the future-ready UL tested hybrid of a C13 and C19 outlet accommodating both C14 and C20 plugs.
Alternating-Phase Outlets
Evenly distributes multiple phases of power to each outlet for simplified load balancing, reduced cord lengths, and better airflow.
Outlet Control with Latching Relays
Cycle power to individual outlets or groups of outlets to reboot servers or power off unused receptacles.
RamLock Locking Outlets
A mechanical locking mechanism built to secure the broadest range of C14 and C20 plugs in place
R/G/B LED Outlet Indicators
R/G/B LEDs identify an outlet's on/off state, if it’s above/below a certain power threshold, or if it's in suspect of a power measurement irregularity.
Branch Circuit Protection
This PDU meets the UL and IEC 62368 requirement for branch circuit protection through UL 489 rated magnetic-hydraulic circuit breakers or UL 248 fuses.
45 Degree Angled Infeed
The angled infeed improves accessibility, provides infeed strain relief, and its bend radius is suitable with 60A rated cords
Per-Inlet Power Sensing
Monitors Current Load (A), Voltage (V), Power (W), Apparent Power (VA), Crest Factor, Power Factor, & Energy per inlet.
Advanced Power Monitoring
Gives real-time insight into power consumption and energy efficiency to improve performance and avoid power quality issues.
Branch Current Monitoring
Monitors current at each breaker branch and provides SNMP-based alerts and emails on high usage that risks a tripped circuit.
Total Harmonic Distortion
Monitor harmonic events, voltage dips and swells, crest factor, and more on the power being fed to the PDU or the power distributed to the PDU’s outlets or load.
Circuit Breaker Trip Forensics
With enhanced circuit breaker trip forensics, identify the specific outlet and device that caused the trip, saving time when investigating and resolving issues.
Waveform Capture
Capture voltage and current waveforms automatically or on demand.
Hot Swappable Controller
Offers industrial-grade reliability, user-configurable firmware, disaster recovery support, and hot-swappable capability for maintenance or replacement without powering down connected equipment.
Multi-Color LCD
An easy-to-read display provides a local indication of power usage, alerts, and alarms.
Auto-Flip Display
Auto-flip display ensures you have the right components in the right visual orientation no matter the PDU's mounting position.
Dual Network Connections
A modern Gigabit Ethernet port, backed up by a second network connection port, ensures monitoring reliability and allows insights to be shared.
Multi-Unit Linking & Cascading
Physically cascade 32 PDUs under one ethernet port using bridging mode, or additionally, save IP addresses using a single IP address with port forwarding. For more efficient management and control of your devices, use the Link feature for logical connectivity of up to 8 PDUs.
Environmental Monitoring
Supports daisy chained DX2-series SmartSensors, each with the ability to send SNMP-based alerts and email notifications.
USB Mass Configuration
A quick and easy solution for PDU configuration and setup.
IP Access, Security & Communications
Web, SSH, Telnet, SNMPv2c & v3, RS-232 serial, 10/100/1000 Base T-Ethernet, LDAP(S), TACACS+, RADIUS, DHCP, and SMTP/email.
Network Monitoring
Gain access to valuable data through connections including HTTP(S), SSH, Telnet, SNMP, (S)FTP, SMTP, Syslog, LDAP(S), RS-232 serial, and more.
Advanced Alerting and Intelligence
Billing-grade accurate monitoring of user-defined thresholds ensures that potential failures are identified in advance. Real-time alarms notify you of possible risk conditions.
Interoperability
Intelligent PDUs provide an open API that interoperates with third-party software such as DCIM or BMS.
Flexible Mounting
Includes standard button mounts along with provisions for custom mounting brackets.
High Temperature Rating
This product has been tested and approved for safe and reliable operation in 60°C (140°F) environments.
Color-Coded Options
Select from six colors to designate PDU circuits in the data center — black, white, red, green, blue, and yellow.
Shipping & Return
Return Policy
You need to have a Return Authorization (RA) number before returning any products to HSSL Technologies.
For a hard copy of this form and a shipping label, please include your request in the form below.
You can also request an RA online by submitting an RA Request via email. Once you have provided HSSL Technologies with the appropriate information, we will contact you with an assigned RA number.
Defective or DOA Products
DOA or defective products are returned for REPLACEMENT ONLY with the same product/model. Deviations from this policy may result in a 20% Returns Processing Service Charge.
- Defective products must be in the original factory carton with all original packing materials.
- The Return Authorization number must be on the shipping label, not the carton. Please do not write on the carton.
- Returns must be shipped freight prepaid. Products received freight collect, without an RA number, or not approved for return will be refused.
- Return Authorization numbers are valid for fourteen (14) days only. Products returned after expiration will be refused.
- HSSL credits are based on the purchase price or current price, whichever is lower.
General Return Terms
You may return most new, unopened items within 30 days of delivery for a full refund. We will also pay return shipping costs if the return is a result of our error (e.g., you received an incorrect or defective item).
You should expect to receive your refund within approximately six weeks of giving your package to the return shipper. This period includes:
- 5–10 business days for us to receive your return from the shipper
- 3–5 business days for us to process your return
- 5–10 business days for your bank to process the refund
If you need to return an item, please Contact Us with your order number and product details. We will respond quickly with instructions for returning items from your order.
Shipping Policy
We can ship to virtually any address in the world. Note that there are restrictions on some products, and certain products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates based on the availability of your items and the shipping options you select. Depending on the provider, estimated shipping dates may appear on the shipping quotes page.
Please also note that shipping rates for many items are weight-based. The weight of each item can be found on its product detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Has my order shipped?
Click the "My Account" link at the top right hand side of our site to check your orders status.
How do I change quantities or cancel an item in my order?
Click the "My Account" link at the top right hand side of our site to view orders you have placed. Then click the "Change quantities / cancel orders" link to find and edit your order. Please note that once an order has begun processing or has shipped, the order is no longer editable.
How do I track my order?
Click the "My Account" link at the top right hand side of our site to track your order.
My order never arrived.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
An item is missing from my shipment.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
My product is missing parts.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
When will my backorder arrive?
Backordered items are those which our suppliers are unable to predict when they will have more in stock, but as soon as they do, we will be able to ship the item to you.
Warranty
Why Choose HSSL?
We connect businesses with the right technology solutions to power growth, security, and efficiency.

Expertise
Backed by years of industry knowledge, our specialists understand the challenges modern businesses face.

Partnerships
We collaborate with top-tier technology providers to bring you innovative & high-performance products.

End-to-End Support
Our dedicated support ensures your systems stay optimized, secure, and ready for what’s next.

Scalable Solutions
Our adaptive approach ensures your IT infrastructure evolves seamlessly as your business expands.
Expert in IT & Security Solutions
At HSSL, we specialize in delivering cutting-edge IT infrastructure, cloud, and cybersecurity services that empower businesses to thrive in a digital-first world. Our trusted professionals provide reliable insights on:
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Digital Transformation Strategy
Empowering businesses to adapt and grow through modern, secure, and scalable digital infrastructure.
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Advanced Cybersecurity
Protecting your organization from digital threats with proactive monitoring and smart security frameworks.
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Cloud & Infrastructure Management
Optimizing cloud performance and IT operations for seamless scalability and improved business agility.
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Data Backup & Recovery
Ensuring business continuity through secure data management, automated backups, and rapid recovery solutions.
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Network & Endpoint Solutions
Delivering secure, high-performance networking systems that keep your business connected and efficient.
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Technology Consulting
Guiding organizations toward smarter IT investments and solutions that align with their long-term goals.

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