Custom Dimensions & Form Factor-dual-source load bank
Rack Mounted Load Bank
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Custom Dimensions & Form Factor-dual-source load bank
Rack Mounted Load Bank
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6 kW Rack-Mount Load Bank

RLB Series is a high-precision, rack-mountable AC load bank designed for standard 19-inch server rack environments. It is specifically engineered for data center commissioning, server simulation, and L4 component integration testing, allowing engineers to verify power distribution, cooling efficiency, and PUE performance before deploying critical IT hardware. Multiple units can be managed simultaneously through a centralized control system to simulate complex data hall thermal profiles.

  • Standard 19-inch Rack-mount Design

  • 1kW to 7kW Scalable Load Capacity

  • High-Precision Incremental Step Control

  • Real-time Voltage, Current & Power Monitoring

  • Intelligent Over-temperature & Airflow Protection

  • Dual-Fan Forced Air Cooling System

  • Local & Remote Software Control (RS485/Ethernet)

Description
Rack-Mounted Load Bank

RLB Series: Rack-Mount Load Bank for Data Center Server Simulation

Compact 2U form factor with 1% step resolution and master-slave paralleling up to 200 kW — purpose-built for data center commissioning and AI server rack thermal testing.

6 / 10 / 12 kW 1% Step IP20 <55 dB 19" 2U

Why RLB

Engineered for server-room realism

⚙

1% Step Resolution

Fine-grained load control matches real-world server power draw precisely.

🔌

Low Noise (<55 dB)

Rear-fan design keeps acoustic levels suitable for occupied rack rooms.

🔗

Master-Slave Paralleling

Link up to 20 units for a combined capacity of 200 kW+, controlled from a single interface.

🖥

2U Rack-Mount

Standard 19-inch mount, 2U height — fits into any server rack alongside production hardware.

🤖

AI Server Testing

Ideal for high-density AI server rack thermal testing and PUE verification.

Technical Specifications

Select a model to view its detailed parameters

🔔

Running a Liquid Cooling Project? Discover our DCL Series for Direct Liquid Cooling (DLC) Rack Testing — purpose-built for GPU clusters and next-gen AI deployments.

Explore DCL Series →
ParameterValue
Rated Power6 kW
Load TypeResistive, 1% step
Rated Voltage400 V 3-phase / 230 V single-phase (optional)
Frequency50 / 60 Hz (optional)
Power Factor / THDPF > 0.99 | THD < 3%
CoolingForced air (rear fan)
Noise Level< 55 dB(A) at 1 m
Control InterfaceTCP/IP + Modbus RTU + front-panel LCD
ParallelingUp to 20 units (200 kW)
Protection RatingIP20 (indoor rack)
Operating Temperature0 °C – 45 °C
CertificationsIEC 60947-1, CE (standard) / UL (optional)
Dimensions482 × 88.9 × 450 mm (2U)
WeightApprox. 10 kg
Special FeaturesLow-noise mode, C19 / CEE power connector

Applications

Where the RLB series delivers proven results

UPS & PDU Testing

Validate UPS runtime, transfer behavior, and PDU branch loading under realistic conditions.

Data Center Commissioning

Full electrical commissioning of server rooms before go-live — catch issues before they impact operations.

Thermal Validation for AI GPU Clusters

Purpose-built for NVIDIA H100/GB200 rack-level thermal testing, PUE benchmarking, and AI infrastructure load simulation.

Certifications

Compliance you can count on

CE

CE Marked

Standard

UL

UL Listed

Optional

IEC

IEC 60947-1

International Standard

Master-Slave Paralleling

Connect up to 20 RLB units via standard Ethernet for synchronized, single-point control. Scale testing capacity from 6 kW to 200 kW+ without adding external controllers — one unit acts as the master, the rest follow automatically.

Up to 20 Units · 200 kW+

Get Pricing & Technical Specs

Ready to discuss your data center commissioning needs? Our engineers are available to help with model selection and custom configurations.

Consult an Engineer Learn More About Rack-Mount Load Banks

Consult an Engineer

3. Set the Shortcode Widget: Advanced → CSS Classes → btr-rlb-cf7-source 4. Then ALSO copy the exact same shortcode into the modal below (see the cf7formHTML variable in the JavaScript) ================================================================ */(function(){ var root = document.getElementById('btr-rlb-root'); if (!root) return;var overlay = document.getElementById('btr-rlb-overlay'); var modal = document.getElementById('btr-rlb-modal'); var body = document.getElementById('btr-rlb-modal-body');/* --- CF7 Form HTML (inline for direct use in modal) --- */ var cf7formHTML = '
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* Our engineers provide customized testing configurations for 50MW+ projects.

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';/* --- Model Data --- */ var models = [ { name: 'RLB-6', title: 'RLB Series: Rack-Mount Load Bank for Data Center Server Simulation', specs: [ ['Rated Power', '6 kW'], ['Load Type', 'Resistive, 1% step'], ['Rated Voltage', '400 V 3-phase / 230 V single-phase (optional)'], ['Frequency', '50 / 60 Hz (optional)'], ['Power Factor / THD', 'PF > 0.99 | THD < 3%'], ['Cooling', 'Forced air (rear fan)'], ['Noise Level', '< 55 dB(A) at 1 m'], ['Control Interface', 'TCP/IP + Modbus RTU + front-panel LCD'], ['Paralleling', 'Up to 20 units (200 kW)'], ['Protection Rating', 'IP20 (indoor rack)'], ['Operating Temperature', '0 \u00B0C \u2013 45 \u00B0C'], ['Certifications', 'IEC 60947-1, CE (standard) / UL (optional)'], ['Dimensions', '482 \u00D7 88.9 \u00D7 450 mm (2U)'], ['Weight', 'Approx. 10 kg'], ['Special Features', 'Low-noise mode, C19 / CEE power connector'] ] }, { name: 'RLB-10', title: 'RLB Series: Rack-Mount Load Bank for Data Center Server Simulation', specs: [ ['Rated Power', '10 kW'], ['Load Type', 'Resistive, 1% step'], ['Rated Voltage', '400 V 3-phase / 230 V single-phase (optional)'], ['Frequency', '50 / 60 Hz (optional)'], ['Power Factor / THD', 'PF > 0.99 | THD < 3%'], ['Cooling', 'Forced air (rear fan)'], ['Noise Level', '< 55 dB(A) at 1 m'], ['Control Interface', 'TCP/IP + Modbus RTU + front-panel LCD'], ['Paralleling', 'Up to 20 units (200 kW)'], ['Protection Rating', 'IP20 (indoor rack)'], ['Operating Temperature', '0 \u00B0C \u2013 45 \u00B0C'], ['Certifications', 'IEC 60947-1, CE (standard) / UL (optional)'], ['Dimensions', '482 \u00D7 88.9 \u00D7 450 mm (2U)'], ['Weight', 'Approx. 12 kg'], ['Special Features', 'Low-noise mode, C19 / CEE power connector'] ] }, { name: 'RLB-12', title: 'RLB Series: Rack-Mount Load Bank for Data Center Server Simulation', specs: [ ['Rated Power', '12 kW'], ['Load Type', 'Resistive, 1% step'], ['Rated Voltage', '400 V 3-phase / 230 V single-phase (optional)'], ['Frequency', '50 / 60 Hz (optional)'], ['Power Factor / THD', 'PF > 0.99 | THD < 3%'], ['Cooling', 'Forced air (rear fan)'], ['Noise Level', '< 55 dB(A) at 1 m'], ['Control Interface', 'TCP/IP + Modbus RTU + front-panel LCD'], ['Paralleling', 'Up to 20 units'], ['Protection Rating', 'IP20 (indoor rack)'], ['Operating Temperature', '0 \u00B0C \u2013 45 \u00B0C'], ['Certifications', 'IEC 60947-1, CE (standard) / UL (optional)'], ['Dimensions', '482 \u00D7 88.9 \u00D7 450 mm (2U)'], ['Weight', 'Approx. 12 kg'], ['Special Features', 'Low-noise mode, C19 / CEE power connector'] ] } ];/* --- Model Selector Switch (scoped to root) --- */ function switchModel(idx) { var btns = root.querySelectorAll('#btr-rlb-btns .btr-rlb-model-btn'); for (var i = 0; i < btns.length; i++) { btns[i].className = 'btr-rlb-model-btn' + (i === idx ? ' btr-rlb-active' : ''); } var heroTitle = root.querySelector('#btr-rlb-hero-title'); if (heroTitle) { heroTitle.textContent = models[idx].title; } var tbody = root.querySelector('#btr-rlb-tbody'); if (!tbody) return; var html = ''; var rows = models[idx].specs; for (var r = 0; r < rows.length; r++) { html += '' + rows[r][0] + '' + rows[r][1] + ''; } tbody.innerHTML = html; }/* --- Bind button clicks via event delegation on btn group --- */ var btnGroup = root.querySelector('#btr-rlb-btns'); if (btnGroup) { btnGroup.addEventListener('click', function(e) { var btn = e.target.closest('.btr-rlb-model-btn'); if (!btn) return; var idx = parseInt(btn.getAttribute('data-idx'), 10); if (!isNaN(idx)) { switchModel(idx); } }); }/* Initialize first model */ switchModel(0);/* --- Contact Modal Logic (scoped to root) --- */ function openModal() { body.innerHTML = cf7formHTML;/* Try to reinitialize CF7 if the plugin is available on this page */ if (typeof wpcf7 !== 'undefined' && typeof wpcf7.init === 'function') { var forms = body.querySelectorAll('.wpcf7'); forms.forEach(function(f) { wpcf7.init(f); }); }modal.className = 'btr-rlb-modal btr-rlb-modal-show'; overlay.className = 'btr-rlb-modal-overlay btr-rlb-modal-show'; root.classList.add('btr-rlb-modal-active'); /* Rule #14: no document.body.style */ }function closeModal() { modal.className = 'btr-rlb-modal'; overlay.className = 'btr-rlb-modal-overlay'; root.classList.remove('btr-rlb-modal-active'); body.innerHTML = ''; }/* Bind open/close events via root-scoped elements */ var openBtn = root.querySelector('#btr-rlb-open-modal-btn'); if (openBtn) { openBtn.addEventListener('click', openModal); }var closeBtn = document.getElementById('btr-rlb-close-btn'); if (closeBtn) { closeBtn.addEventListener('click', closeModal); } if (overlay) { overlay.addEventListener('click', closeModal); }document.addEventListener('keydown', function(e) { if (e.key === 'Escape') { closeModal(); } }); })();
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