Product Overview
WESTINGHOUSE ST24B3is a high-quality industrial control relay manufactured by Westinghouse Electric Corporation,designed for reliable switching operations in various industrial control applications.This robust electromechanical relay features a 3-pole double-throw(3PDT)contact configuration,providing multiple switching combinations for complex control circuits.The WESTINGHOUSE ST24B3is engineered with precision-machined components and high-quality materials to ensure long service life and consistent performance in demanding industrial environments.With its compact design and versatile mounting options,this relay offers flexible integration into control panels and automation systems.
The WESTINGHOUSE ST24B3incorporates advanced electromagnetic design that ensures fast response times and minimal contact bounce,making it suitable for applications requiring precise switching control.The relay’s 24VDC coil voltage provides compatibility with standard industrial control voltages,while its silver alloy contacts offer excellent electrical conductivity and arc resistance.The WESTINGHOUSE ST24B3’s transparent dust cover allows for visual inspection of contact status while providing protection against environmental contaminants.In motor control circuits,lighting systems,and equipment automation applications,this industrial relay delivers the reliability and performance that industrial users expect from the Westinghouse brand.
Technical Specifications
Parameter Name
Parameter Value
Product Model
WESTINGHOUSE ST24B3
Manufacturer
Westinghouse Electric Corporation
Product Type
Industrial Control Relay
Coil Voltage
24VDC
Contact Configuration
3PDT(3 Form C)
Contact Rating
10A 240VAC,10A 28VDC
Electrical Life
100,000 operations(rated load)
Mechanical Life
10,000,000 operations
Operate Time
<15ms
Release Time
<10ms
Insulation Resistance
100MΩmin.at 500VDC
Dielectric Strength
2000VAC between coil and contacts
Temperature Range
-40°C to+70°C
Vibration Resistance
10-55Hz,1.5mm amplitude
Shock Resistance
100m/s²
Mounting
DIN rail or panel mount
Weight
Approximately 150g
Agency Approvals
UL508,CSA,CE
Main Features and Advantages
Contact reliability:The WESTINGHOUSE ST24B3features high-quality silver alloy contacts with excellent electrical conductivity and welding resistance.The relay’s bifurcated contacts ensure reliable switching even under low-level load conditions.The WESTINGHOUSE ST24B3’s magnetic blow-out design provides effective arc suppression,extending contact life and improving switching reliability.The relay’s optimized contact gap and pressure parameters ensure stable performance throughout its operational life.
Mechanical durability:The WESTINGHOUSE ST24B3incorporates a robust electromagnetic system with precision-guided moving parts that minimize mechanical wear.The relay’s dust-proof construction and transparent cover allow for visual inspection while protecting internal components.The WESTINGHOUSE ST24B3’s versatile mounting system supports both DIN rail and direct panel mounting,providing installation flexibility.The relay’s compact design saves panel space while maintaining full functionality.
High-quality silver alloy contacts for reliable switching
Bifurcated contact design for improved reliability
Transparent cover for visual status inspection
Dual mounting options for installation flexibility
Wide operating temperature range
International safety certifications
Application Field
The WESTINGHOUSE ST24B3finds extensive application in industrial control systems requiring reliable switching operations.In motor control circuits,the relay is used for start/stop control,direction reversal,and multi-speed operation.The WESTINGHOUSE ST24B3’s 3PDT contact configuration makes it particularly suitable for complex control schemes requiring multiple circuit interactions.In lighting control systems,the relay provides reliable switching for commercial and industrial lighting applications.
In automation equipment,the WESTINGHOUSE ST24B3is used for sequence control,interlocking circuits,and equipment protection.The relay’s robust construction makes it suitable for applications with high vibration and shock requirements.In power distribution systems,the WESTINGHOUSE ST24B3provides control functions for circuit breakers,capacitors,and other power equipment.
Related Products
WESTINGHOUSE ST24A3:Alternative coil voltage version
WESTINGHOUSE ST24D3:Different contact configuration
WESTINGHOUSE ST110:Higher current rating relay
WESTINGHOUSE M-10:Motor starter relay
WESTINGHOUSE T-10:Timing relay
WESTINGHOUSE R-10:General purpose relay
WESTINGHOUSE K-10:Power relay
WESTINGHOUSE L-10:Latching relay
Installation and Maintenance
Installation requirements:The WESTINGHOUSE ST24B3should be installed in a clean,dry environment with adequate space for heat dissipation.Proper wiring techniques should be used,with appropriate wire sizes and secure connections.The relay should be mounted securely to minimize vibration effects.For DIN rail mounting,ensure the rail is properly grounded and securely fastened.
Maintenance recommendations:Regular inspection of the WESTINGHOUSE ST24B3should include checking for signs of overheating,verifying contact operation,and testing coil functionality.The relay’s contacts should be inspected periodically for wear or pitting.The operating counter can be used to schedule preventive maintenance based on operational cycles.
Product Guarantee
We guarantee genuine WESTINGHOUSE ST24B3industrial relays with full manufacturer certification.Each unit undergoes electrical testing and mechanical inspection to ensure proper operation.Our quality assurance process verifies all performance parameters meet specification requirements.We provide complete technical documentation and application support.All products are backed by our comprehensive warranty and technical support commitment.
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