Industrial ST-60887 Programmable Safe-Pak Relay

Description:

The Transamerica IMO GEMS ST-60887 (DR3G-1) is a programmable SAFE-PAK intrinsically safe electronic relay designed to provide isolated switching between hazardous-area sensors and standard industrial control equipment. Operating from a 90–120 VAC input supply, it interfaces with non-voltage-producing field devices such as flow, level, and pressure switches while maintaining intrinsic safety without requiring explosion-proof enclosures or purge systems. The programmable relay supports configurable operating modes, including normally open (NO), normally closed (NC), latching, adjustable timing, and isolated operation, making it suitable for hazardous process control applications.

Applications:

The Transamerica IMO GEMS ST-60887 SAFE-PAK relay is designed to isolate and control signals from hazardous-area instrumentation while providing safe switching for industrial automation systems. It is widely used in oil and gas facilities, chemical processing plants, wastewater treatment systems, tank level monitoring, flow monitoring, pressure control, and other Class I hazardous locations where intrinsically safe interfaces are required.

Technical Specifications:

• Manufacturer Part Number (MPN): ST-60887
• Alternate Model: DR3G-1
• Manufacturer: Transamerica IMO GEMS
• Product Family: SAFE-PAK
• Product Type: Programmable Intrinsically Safe Electronic Relay
• Input Voltage: 90–120 VAC (95–125 VAC Operating Range)
• Input Frequency: 50/60 Hz
• Protection Type: Intrinsically Safe Interface
• Configuration: Programmable (NO, NC, Latching, Timed Functions)
• Compatible Sensors: Flow Switches, Pressure Switches, Level Switches, and Other Non-Voltage-Producing Sensors
• Load Voltage: 25–250 VAC (Programmable Models)
• Maximum Load Current: Up to 2 A Resistive
• Switching Method: Solid-State Electronic Relay
• Isolation: Hazardous Area to Safe Area Signal Isolation
• Mounting Type: DIN Rail / Panel Mount
• Approvals: UL, CSA (Model Dependent)
• Function: Intrinsically Safe Sensor Interface and Relay Switching
• Compatible Components: PLCs, Motor Control Systems, Process Controllers, SCADA Systems, and Industrial Automation Equipment

Common Replacements:

• GEMS SAFE-PAK 54820 Programmable Electronic Relay
• Pepperl+Fuchs K-System Intrinsically Safe Switching Amplifier
• R. Stahl 9230 Series Switching Repeater