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Low Voltage Switchboards (UL891)
Trystar’s Low Voltage Switchboards (UL891) are a robust and customizable power distribution solution engineered for commercial and light industrial facilities operating at 600 volts or less. Combining Trystar’s durable construction and engineering expertise, these switchboards are designed to distribute power safely, reliably, and efficiently across a broad range of environments. UL891 certification ensures code compliance and safe operation, while scalable configurations and integrated protection features make it easy to tailor the switchboard to meet your facility’s unique power requirements.
Whether it’s a new installation or an upgrade to existing infrastructure, Trystar’s Low Voltage Switchboards provide a flexible, high-performance solution that supports complex load profiles and future expansion—without compromising safety, uptime, or budget.
Product Specifications
Voltage and Amperage Range
- Voltage up to 600VAC.
- Sections rated to 5000 A Horizontal, 3000 A Vertical – Single Mains to 5000 A.
- Six subdivision mains to 4000 A.
- Individually mounted feeders to 4000
- Up to 100 kAIC
Features
- Safe, Reliable, and Code-Compliant Power Distribution − UL891 Listing ensures conformance to stringent industry standards for low-voltage power distribution systems (under 600V), delivering reliable performance while enhancing facility safety. Integrated protection features minimize arc fault risks, reduce inspection delays, and support uptime in sensitive or high demand environments.
- Tailored System Design for the Power Demands of Any Facility – Custom engineered layouts allow precise alignment with facility needs, including space constraints, unique load profiles, integration with existing systems and indoor or outdoor installation.
- Flexible, Platformed Design for Diverse Applications − UL891 switchboards offer a modular platform with accessible front- or rear-entry designs, configurable bus layouts, and adaptable breaker compartments—making it easy to tailor the system to a wide range of commercial and industrial power distribution needs. This flexible architecture simplifies installation, supports varying site conditions, and enables scalable future upgrades.
Enclosures
- Indoor and Outdoor NEMA 1 or 3R. Multiple sizes available depending on needs. Front or Front and Rear Accessible. Service Entrance Rated (SER) options.
- 90.0 in. (228.6 cm) high
- Section widths available: Standard: 30 in. (762 mm) -or- 36 in. (914 mm) -or- 42 in. (1,067 mm) -or- 48 in. (1,219 mm)
- Custom: 12 in. (305 mm) -or- 24 in. (610 mm)
- Frame depths available:
- Standard: 36 in. (914 mm) -or- 48 in. (1,219 mm) -or- 54 in. (1,372 mm)
Available Options
- Breaker Options − 3-Pole or 4-Pole breakers with 100% ground-rated conductor option; Electronic Operation option; Electronic Trip Unit (ETU) with LSI, LSIG, or LSIA protection available. Fixed or Draw out Main and Branch options available. Integrated Power Distribution Panelboard options.
- Integrated Metering and Controls − Supports a wide array of device solutions, including Surge Protection Device (SPD), Analog and Digital Power Metering, Sequence Event Recording, and Power Quality Monitoring, as well as Transfer Switch or Source Paralleling Controls.
- Communication Options − Modbus RTU (RS485) or TCP/IP. Networked communications capabilities provide direct access to energy management at main and feeder level.
- Optional Integrated Solutions − Input (generator) or Output (load bank or temporary chiller) quick connect camlock integration and integrations with other solutions in E-house configuration.
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