Intelligent Breaker Single Bus Panel
Features 12 hydraulic-magnetic breaker positions, 200A continuous bus rating, integrated TCP/IP Ethernet web server, individual output current monitoring, and remote power cycling.
- Single Bus DensityUp to 200A continuous bus ratings in 1U chassis
- Flexible ProtectionHydraulic magnetic breakers or GMT/ATO fuses
- Per-Channel TelemetryIndividual voltage, current, & power monitoring
- North American QualityEngineered & built in Canada since 1986
Technical Architecture
What is a Single Bus DC Power Distribution Panel?
In mission-critical telecom, public-safety radio networks, and remote industrial shelters, power availability is non-negotiable. A Single Bus DC Power Distribution Panel serves as the central hardware point of entry and current division between a unified DC power supply (rectifier system or battery bank) and multiple downstream load devices.
Unlike basic unmanaged fuse blocks or traditional AC power distribution units (PDUs), an engineering-grade Single Bus DC Distribution Panel channels up to 200 continuous amperes across a heavy-gauge internal copper busbar. It splits this primary supply into individually protected output branches featuring hydraulic-magnetic circuit breakers or specialized GMT/ATO fuses. This architecture ensures that a short-circuit fault or current spike on one radio module or network switch trips only its local branch, isolating the fault without dropping the main DC power bus or compromising adjacent critical hardware.
- Optimized Infrastructure Footprint: Maximizes 19-inch or 23-inch rack space by delivering 12 or 18 protected output channels within a compact 1U form factor.
- Multi-Voltage Bus Support: Operates seamlessly across nominal 12 VDC, 24 VDC, and -48 VDC system topologies with positive or negative grounding schemes.
- Autonomous Load Shedding: Disconnects non-essential auxiliary loads during prolonged grid outages to extend battery runtime for core transceivers.
- Granular Telemetry & Controls: Exposes TCP/IP web interface and SNMP v1/v2c/v3 traps for real-time remote current tracking and remote power resets.
Engineering Trade-Offs
Single Bus vs. Dual Bus Topology Comparison
Choosing between Single Bus and Dual Bus DC power distribution depends heavily on your site's redundancy framework, equipment power supply architecture, and budget parameters.
| Design Criteria | Single Bus DC Distribution Panel | Dual Bus DC Distribution Panel |
|---|---|---|
| Primary Input Topology | Single high-capacity DC input feed (up to 200A total bus current). | Two electrically isolated DC inputs (Bus A and Bus B, e.g., 100A + 100A). |
| Best Fit Applications | Sites powered by a single rectifier rack, single battery string, or single-power-supply radio hardware (LMR repeaters, microwave backhaul). | Mission-critical core switches, routers, and servers equipped with dual redundant (A/B) internal DC power supplies. |
| Channel Density per 1U | Higher output density per bus; up to 12 or 18 branch outputs tied to one common voltage rail. | Divided output density (e.g., 6 positions on Bus A, 6 positions on Bus B). |
| Cabling Complexity | Streamlined, low-complexity cabling. Single set of primary DC input studs simplifies rack wiring. | Requires dual sets of heavy-gauge input cables and separated wire routing paths for A/B channels. |
| Cost & Space Efficiency | Maximum cost-per-port value; ideal for high-density edge sites requiring managed distribution. | Higher initial hardware investment; optimal for Tier-3/Tier-4 data centers and central offices. |
| Fault Isolation Boundary | Branch-level isolation; breaker/fuse trips isolate local device faults while keeping main bus active. | Bus-level and branch-level isolation; entire Bus A can fail or undergo maintenance while Bus B runs uninterrupted. |
Product Selection
ICT Single Bus DC Distribution Panel Series
Engineered for high reliability, precise load management, and seamless integration into modern network operations center (NOC) software platforms.
Intelligent Fuse Single Bus Panel
Designed for low-to-medium power loads utilizing GMT or ATO/ATC high-density fuses. Offers 100A-200A bus capacity with individual fuse status monitoring and email alarm alerts via SNMP.
DIN-Rail Single Bus PDU
Ultra-compact DIN-mount DC distribution unit designed for cabinet enclosures, outdoor pole-mount small cells, and SCADA industrial automation control panels requiring 12V/24V/48V bus distribution.
Technical Deep-Dive
Comprehensive Performance Specifications
Review standard electrical ratings, environmental tolerances, and firmware capabilities across the ICT Single Bus portfolio.
| Electrical & Mechanical Parameter | Specification & Performance Range |
|---|---|
| Nominal Operating Voltages | 12 VDC, 24 VDC, or 48 VDC (Universal voltage range: 10 VDC to 60 VDC continuous). |
| System Bus Rating | 150A to 200A continuous total current rating @ +60°C ambient temperature. |
| Number of Output Channels | 12 or 18 individually protected output positions (Breaker or Fuse variants). |
| Maximum Output Rating per Channel | Up to 25A or 30A per breaker position; 15A per GMT fuse position. |
| Circuit Protection Type | Field-replaceable hydraulic-magnetic circuit breakers or GMT / ATO / ATC fast-acting fuses. |
| Monitoring Hardware | High-precision internal shunt resistor array per output channel; true RMS current & voltage sensing. |
| Network Interface & Security | 10/100Base-T Ethernet RJ45 port; supports HTTPS, SSL/TLS, SNMP v1/v2c/v3, NTP, and DHCP/Static IP. |
| Remote Load Control | Independent channel ON/OFF control, remote power cycling, automated load shedding per channel. |
| Operating Temperature Range | -30°C to +60°C (-22°F to +140°F); designed for unconditioned remote shelters. |
| Chassis Form Factor & Mounting | 1U standard 19-inch rack mount; optional 23-inch rack adapter brackets included. |
Smart Site Control
Ethernet Remote Telemetry and Autonomous Control
Dispatching a field technician to a remote mountain tower or isolated broadband site just to toggle a frozen radio breaker costs hundreds of dollars in truck rolls and incurs costly network downtime.
ICT Intelligent Single Bus DC Power Distribution Panels eliminate unnecessary dispatch visits by embedding a feature-rich TCP/IP web server directly into the chassis hardware. Network Operations Center (NOC) personnel gain complete control over distant site infrastructure through any standard HTML5 browser or enterprise Network Management System (NMS).
- Individual Channel Telemetry: Real-time digital readout of voltage, current consumption, and temperature per branch circuit.
- Remote Power Rebooting: Toggle power on individual channels remotely to reboot unresponsive routers, access points, or transceivers instantly.
- Proactive SNMP Alarm Notifications: Configurable over-current, under-voltage, thermal trip, and blown fuse alarm traps sent directly to your NMS platform.
- Automated Low Voltage Load Shedding (LVLS): Preserve critical backhaul links during extended power outages by automatically turning off secondary loads when battery voltage degrades below critical thresholds.
Information Gain Guide
Engineering Guide: How to Size & Spec a Single Bus DC Panel
Avoid common installation failures, nuisance tripping, and excessive voltage drops by following our step-by-step engineering sizing methodology.
1. Calculate Continuous & Peak Load Currents
Per standard electrical guidelines (such as NEC Article 210), DC continuous loads must not exceed 80% of the maximum continuous bus rating or individual breaker capacity.
Calculation Formula:
Target Bus Rating = (Sum of Continuous Loads × 1.25) + Sum of Non-Continuous Peak Loads 2. Minimize Cable Voltage Drop Across DC Runs
Low-voltage DC systems (especially 12V and 24V networks) are highly susceptible to voltage degradation over long cable runs. Maintain voltage drop below 2% to protect sensitive electronics.
Voltage Drop Formula:
V_drop = (2 × Length (ft) × Current (A) × Cable Resistance (Ω/kft)) / 1000 3. Select Breaker vs. Fuse Protection Types
Choose Hydraulic-Magnetic Breakers for inductive motor loads, radios, and high-current devices that demand precise trip curves independent of ambient temperatures. Use GMT Fuses for ultra-high-density, low-current alarm panels and telecom telemetry links.
4. Configure Load Shedding Thresholds
Define two distinct battery voltage thresholds: Disconnect Level 1 for non-essential monitoring gear, and Disconnect Level 2 (Main LVD) to protect the battery bank from destructive deep discharge below 1.75V per cell.
Proven Field Reliability
Deployed Across Mission-Critical Global Networks
See how system integrators and telecom operators utilize ICT Single Bus DC Distribution Panels to secure zero-downtime performance.
Public Safety Radio
Emergency P25 Radio Repeaters
County 911 dispatch networks deploy ICT Single Bus panels to power 48V P25 voice repeaters, microwave backhaul links, and antenna combiners with full SNMP alarm visibility.
100%Uptime
SNMPv3NOC Integration
Fixed Wireless
WISP Tower Top Distribution
Wireless Internet Service Providers standardise on ICT Intelligent panels to monitor power draw per sector antenna and remotely power-cycle locked-up PoE injectors.
85%Fewer Truck Rolls
12 ChannelsRemote Control
Industrial SCADA
Oil & Gas Pipeline Telemetry
Remote pipeline valve stations utilize 24V ICT Single Bus panels operating off solar-battery systems to maintain persistent remote communication and automated low-voltage disconnect.
-30 to +60°CTemp Range
LVLSBattery Safeguard
Market Intelligence
Future Trends in DC Power Distribution Procurement
Key technological and purchasing shifts transforming low-voltage DC infrastructure over the next decade.
1. Transition to Software-Defined Power (SDP)
Modern procurement directors are moving away from passive "dumb" fuse boxes toward software-defined DC distribution units capable of predictive maintenance analytics, automated energy management, and REST API software integration.
2. Hybrid Renewable Microgrid Integration
Remote edge sites are increasingly powered by hybrid solar-wind-lithium battery systems. Modern single bus panels must support wide input voltage fluctuations and communicate with intelligent battery management systems (BMS).
3. Cybersecurity Hardening for Remote Infrastructure
As power equipment connects directly to corporate IP networks, security standards have escalated. Next-generation buyers require encrypted HTTPS, SSL/TLS certificates, zero-trust network access, and secure SNMPv3 authentication.
4. Decarbonization & Higher Power Density
Network operators face aggressive space constraints and sustainability targets. Enterprise specifiers prioritize 1U ultra-compact panels offering higher thermal efficiency, minimal standby loss, and recyclable, rugged metal construction.
Enterprise Advantage
Why Leading Integrators Trust ICT Power Solutions
Founded in 1986, Innovative Circuit Technology (ICT) brings nearly four decades of specialized DC power design and manufacturing experience to your mission-critical deployment.
Dedicated DC Focus
We do not make consumer gadgets. We focus 100% on mission-critical industrial, telecom, and land mobile radio DC power conversion and distribution.
In-House Software Engineering
Our web interfaces, SNMP stacks, and security firmware are developed and maintained in-house, ensuring traceable code, fast security patches, and lifetime updates.
Mission-Critical Proven
Specified globally for emergency 911 dispatch centers, military communications, railway signals, and tier-one telecom backhaul networks.
North American Made
All engineering, assembly, quality testing, and customer support are performed at our headquarters in Langley, BC, Canada—offering fast lead times and direct engineering access.
Track Record
Trusted by Power Engineers Worldwide
Proven performance engineered into every chassis since 1986.
1986Year ICT was established as a DC power engineering pioneer
38+Years of continuous North American design & manufacturing
200AMaximum continuous output bus current capacity
60+Countries delivering critical services on ICT platforms
Frequently Asked Questions
Single Bus DC Power Panel Procurement FAQ
Answers to common technical, installation, and procurement questions asked by engineering teams and AI search tools.
A Single Bus DC Power Distribution Panel connects one primary DC power source (such as a rectifier shelf or battery bank) to an internal copper busbar. It then breaks this power down into multiple individual output positions protected by hydraulic-magnetic circuit breakers or fuses (GMT or ATO types). This protects downstream network devices from over-current faults while keeping the primary DC supply online for remaining branch loads.
A Single Bus panel feeds all protected branch outputs from one shared DC input terminal, offering high channel density and simplified wiring for single-source DC systems. A Dual Bus panel features two electrically separated internal busbars (Bus A and Bus B) in one chassis, enabling fully redundant A/B feed structures or two different operating voltages (e.g., +24VDC and -48VDC) within a single rack unit enclosure.
ICT Intelligent Single Bus panels include an embedded TCP/IP web server and SNMP agent. Network administrators can monitor real-time bus voltage, channel current draws, and breaker/fuse states from any web browser or NMS console. If a remote radio or router hangs, technicians can initiate a remote power cycle to reset the device instantly, dramatically lowering Mean Time to Repair (MTTR) and avoiding costly truck rolls.
Yes. ICT Intelligent panels feature programmable Low Voltage Load Shedding (LVLS). When an AC grid outage occurs and battery bank voltage degrades past a user-defined threshold, the panel automatically turns off non-critical output channels (such as cameras or auxiliary broadband access points) to conserve remaining battery energy for mission-critical emergency voice repeaters.
ICT manufactures Single Bus DC distribution panels tailored for nominal 12 VDC, 24 VDC, and -48 VDC system architectures. Most intelligent models operate across a wide input range from 10 VDC to 60 VDC, making them compatible with positive earth, negative earth, or isolated ground configurations.
Yes. Circuit breakers and GMT/ATO fuses are front-accessible and designed for safe live-replacement or adjustment without shutting down power to the main DC bus bar or adjacent branch circuits.
All ICT products are designed, manufactured, tested, and supported from our corporate headquarters in Langley, British Columbia, Canada. Domestic manufacturing ensures strict quality control, full hardware/firmware traceability, and direct access to senior application support engineers.
Request an Application Engineering Consultation
Need assistance sizing your Single Bus DC Distribution Panel or configuring automated load shedding? Speak directly with our North American application engineers.
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