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