13 in stock
GE SFF202B1A Static Frequency Relays
GE SFF202B1A Static Frequency Relays
Brand/Manufacturer: GE
Order Number: SFF202B1A
Type: Static Frequency Relays
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The General Electric SFF202B1A, also cataloged as the SFF202B1A Static Frequency Relay, operates as a dedicated hardware component for frequency monitoring and protective tripping execution within power protection and control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SFF202B1A |
| Brand | General Electric |
| Origin | Standard Commercial Origin |
| Weight | Standard Relay Unit Weight |
| Dimensions | Standard Protective Relay Panel Dimensions |
| Operating Temp | Standard Industrial (-20 deg C to 60 deg C) |
| Power Consumption | Dependent on auxiliary VDC input loading |
| Nominal Input Voltage | 110-120 VAC |
| Auxiliary Voltage Range (VNA) | 48/110/120/220/250 VDC |
| Operating Frequency Range | 40/79 Hz |
| Documentation Reference | Instruction Book GEK90636 |
Firmware Flash Compatibility and I/O Density Scaling
Firmware flash compatibility and deterministic logic processing define the interaction between field protection relays and industrial network architecture. Integrating internal measurement circuits with standardized backplane communication channels prevents signal transmission bottlenecks during dynamic power system events. High I/O density scaling coupled with proper channel-to-channel isolation maintains system integrity and suppresses transient noise interference across substation monitoring buses.
Frequently Asked Questions
Q: What auxiliary voltage levels are supported by the SFF202B1A input circuits?
A: The auxiliary DC input capability (VNA) accommodates discrete operating selections of 48 VDC, 110 VDC, 120 VDC, 220 VDC, and 250 VDC.
Q: What is the primary operating frequency range monitored by this unit?
A: The relay measures continuous power line frequencies within the specified range of 40 Hz to 79 Hz (40/79 Hz).
Field Installation Guidelines
- Isolate all AC voltage sensing loops and auxiliary DC power feeds before performing physical installation or terminal wiring.
- Verify proper selection of the internal auxiliary DC supply tap matching the substation auxiliary battery voltage (48 VDC to 250 VDC range).
- Connect the protective relay chassis lug directly to the panel earth ground bus using a short, low-impedance conductor.
- Keep low-level signal and trip outputs routed separately from high-current switching conductors to limit electromagnetic noise coupling.
- Refer to Instruction Book GEK90636 for explicit panel cutout profiles and terminal block terminalization assignments.
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Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson