Description
Brand: ABB
Product Series: SPACOM System / Motor and Generator Protection Series
Model: SPTU 240 R1 (Part Number: SPAZ2296R / SPAZ 2296 R)
Product Type: High-Reliability Test and Power Supply Relay Module

ABB SPTU 240 R1 SPAZ2296R RELAY MODULE
Technical Parameters:
Module Function: Configured as an auxiliary test, signal routing, or localized power injection relay module designed to support the underlying calibration, testing, and trip-circuit supervision of SPACOM protection schemes.
Rated Input Supply: Rated for standard industrial AC/DC control voltage configurations, typically matching 110-240 V AC/DC network thresholds.
Relay Contact Configuration: Features high-capacity, heavy-duty galvanic contact pairs optimized for high-speed signal switching and terminal interlocking.
Contact Current Capacity: Engineered to continuously carry up to 5A max AC/DC current with transient make-and-carry peaks up to 30A for short-duration circuit breaker tripping actions.
Galvanic Isolation: Built-in heavy-duty physical isolation barriers between the input coil logic, test circuitry, and output contacts to prevent dangerous high-voltage line surges from breaching backplane processing cards.
Response Execution Time: Ultra-low mechanical latency with pick-up and drop-out speeds typically under 20 milliseconds (ms) for immediate alarm routing.
Diagnostic Indicators: Front-panel integrated mechanical or LED flags providing direct visual feedback on the relay’s current state and active trip registers.
Mechanical Architecture: Rugged, plug-in draw-out module design engineered for clean, secure insertion into specialized SPACOM sub-racks or standard terminal blocks.
Industrial Sectors:
Electrical Power Distribution Substations, Conventional Power Generation Utilities (Hydro, Thermal), Heavy Chemical and Petrochemical Processing Plants, Large Industrial Manufacturing Sites, and Infrastructure Sub-transmission Networks.
Application Scenarios:
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Substation Protection Test Interface: Installed inside main switchgear protection panels to provide a dedicated testing and measurement node, allowing engineers to isolate trip circuits and safely inject test currents without disconnecting permanent field wires.
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Trip Circuit Supervision Coordination: Deployed as an auxiliary control interface that monitors the integrity of circuit breaker trip coils, instantly closing an alarm path to the central control room if a wiring break or loss of control power is detected.
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Heavy Motor Interlocking Matrix: Integrated within medium-voltage motor control panels to handle secondary safety interlocks, ensuring that upstream breakers cannot close unless all cooling and auxiliary conditions are met.
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Emergency Load-Shedding Signal Routing: Positioned within industrial power management cabinets to aggregate high-priority load-shedding commands from master relays and distribute them across multiple auxiliary breaker trip lines simultaneously.

