Description

The SST-1500-YCX-3-1-0 is a high-performance, three-phase surge protection device (SPD) manufactured by SST (Surge Suppression Technologies, Inc.), a leader in transient voltage surge suppression. This device is engineered to protect critical industrial equipment and sensitive electronic systems from damaging voltage spikes and transient surges caused by lightning strikes, utility grid switching, and internal load changes. The SST SST-1500-YCX-3-1-0 acts as a first line of defense, shunting dangerous surge energy safely to ground before it can reach and destroy valuable assets like PLCs, variable frequency drives, process controllers, and instrumentation. Its core function is to clamp transient overvoltages to a safe level, thereby ensuring operational continuity, reducing downtime, and preventing costly equipment repairs or replacements.

As part of SST’s comprehensive product line, this model is designed for installation at the main service entrance or critical sub-panels within an industrial facility. The model number indicates a robust design with a 150kA surge current rating, suitable for 3-phase Wye or Delta configurations (YCX), and includes features like visual status indication and remote alarm contacts. The SST-1500-YCX-3-1-0 is a vital component for any modern automation system, providing peace of mind and a solid return on investment by safeguarding the integrity of the entire electrical infrastructure against unpredictable electrical disturbances.

SST-1500-YCX-3-1-0 SST

Technical Specifications

Main Features and Advantages

High-Capacity Surge Protection: The SST-1500-YCX-3-1-0 is engineered to handle massive surge events, with a high 150kA per mode surge current rating. This robust capacity ensures that the device can absorb and dissipate significant amounts of surge energy, providing reliable protection even in areas with high lightning strike probability or demanding electrical environments. The low voltage protection level (clamping voltage) of the SST SST-1500-YCX-3-1-0 ensures that connected equipment is exposed only to safe voltage levels during a transient event.

Comprehensive Monitoring and Alarm Capabilities: For proactive maintenance and system awareness, the SST-1500-YCX-3-1-0 includes both local and remote monitoring features. A clear visual status indicator allows for at-a-glance confirmation of the device’s operational health. More importantly, the integrated Form-C dry contact provides a remote alarm signal that can be wired directly to a PLC, SCADA system, or building management system. This feature immediately alerts operators if the SST-1500-YCX-3-1-0 has reached its end-of-life condition or requires service, preventing unprotected operation.

Robust and Versatile Design: Built for industrial durability, the SST SST-1500-YCX-3-1-0 features a wide operating temperature range and is housed in a non-corrosive, UL94-5V enclosure, making it suitable for harsh plant environments. Its flexible wiring configuration allows it to be used in both 3-phase Wye and Delta systems, simplifying inventory and installation planning. This versatility and ruggedness make the SST-1500-YCX-3-1-0 a dependable, long-term solution for facility-wide surge protection strategies.

Application Field

The SST-1500-YCX-3-1-0 is critical for any industrial or commercial facility where electrical surges can disrupt operations or cause catastrophic equipment failure. It is ideally installed at the main service entrance of manufacturing plants, water treatment facilities, and oil & gas installations to protect the entire incoming electrical supply. By installing the SST SST-1500-YCX-3-1-0 at this point, it absorbs the largest surges, providing a foundational layer of protection for the whole facility.

Beyond the main service entrance, the SST-1500-YCX-3-1-0 is perfectly suited for protecting specific critical loads and sensitive automation equipment. It is commonly deployed in motor control centers (MCCs) to safeguard variable frequency drives (VFDs) and motor starters, and in PLC/DC S panels to protect programmable logic controllers, I/O modules, and network infrastructure. The reliable performance of the SST-1500-YCX-3-1-0 is essential for maintaining uptime in continuous process industries like chemical processing, power generation, and pharmaceuticals, where even a momentary shutdown can result in significant production losses.

Related Products

SST-1500-SCX-3-1-0: A similar 3-phase SPD but designed specifically for Delta-only system configurations.

SST-0750-YCX-3-1-0: A lower-capacity (75kA) version for applications with moderate surge risk or for providing a secondary stage of protection.

SST-2000-YCX-3-1-0: A higher-capacity (200kA) version for areas with extremely high lightning exposure or for the most critical service entrance points.

SST-100-SCX-1-1-0: A single-phase surge protector used for protecting individual machines or control panels downstream of the main SST-1500-YCX-3-1-0.

SST-PRO-TRAN-3: A data line surge protector often used in conjunction with the SST-1500-YCX-3-1-0 to provide comprehensive protection for both power and communication lines.

SST-1500-YCX-3-1-0 SST

Installation and Maintenance

Pre-installation preparation: Before installing the SST-1500-YCX-3-1-0, de-energize the panel where it will be mounted. Verify that the system voltage and configuration (Wye or Delta) match the SPD’s specifications. Ensure proper short-circuit protection, such as a fused disconnect or circuit breaker, is in place as per the manufacturer’s instructions and local electrical codes. The SST SST-1500-YCX-3-1-0 should be mounted on a DIN-rail in a well-ventilated location within the electrical enclosure.

Maintenance recommendations: The SST-1500-YCX-3-1-0 requires minimal maintenance but should be visually inspected periodically. Check the status window for a green “Protected” indicator to confirm the device is operational. It is crucial to wire the remote alarm contacts to a monitoring system. If the status indicator shows red or an alarm is triggered, the SST-1500-YCX-3-1-0 has sacrificed itself to protect your equipment and must be replaced immediately to restore surge protection. Regularly reviewing the system after major electrical storms is also a recommended practice.