REL561 1MRK002496-AC turbine protection system
NEW STOCK: ABB REL561 1MRK002496-AC Gas/Steam Turbine Protection System
Mission-Critical Prime Mover Protection
Designed for combined cycle power plants, this IEC 60255-compliant system provides 15ms fault detection with triple-redundant processing. Features overspeed protection (115% rated speed) and exhaust temperature control for critical turbine safeguarding.
Technical Specifications
- ► Protection Functions: 32+ including 27/59/81
- ► Inputs: 4x CT (1/5A), 8x RTD (Pt100)
- ► Communication: IEC 61850, Modbus RTU
- ► Operating Temp: -25°C to +70°C
- ► Certifications: UL 508, ATEX Zone 2
- ► Response Time: ≤15ms
Critical Applications
Gas Turbine Protection
• Flame detection failure
• Lube oil pressure monitoring
Steam Turbine Safety
• Condenser vacuum protection
• Bearing vibration analysis
Cogeneration Plants
• Heat recovery coordination
• Load rejection management
Apextron Advantage
✓ ABB Certified Supplier since 2010
✓ 22 units available with factory calibration
✓ Legacy system retrofit solutions (SPAJ→REL)
✓ 1-year performance warranty + emergency replacement service
Related Protection Systems:
REL670 1MRK006004-AB, REF615E 1MRS758748-CA
Get Turbine Protection Consultation via WhatsApp
For protection coordination studies & IED config files:
abbdcs36@gmail.com
▲ Compatible with ABB Ability™ Condition Monitoring
▲ Supports PCM600 v2.11+ configuration tools
▲ Optional arc-resistant enclosure available

