ABB SPAU 140 C | SPAU140C | Synchro-Check Relay

Overview

The ABB SPAU 140 C Synchro-Check Relay is a voltage measuring relay designed to ensure the safe and reliable connection of two power systems. It is used for both synchro-check and voltage-check functions, making it essential for applications where two separate networks or network sections need to be connected.

Technical Specifications

• Energizing Inputs: 100 V, 110 V
• Rated Voltage: 100 V, 110 V
• Continuous Voltage Withstand: 2.0 x Un
• Burden at Rated Voltage: <0.5 VA
• Rated Frequency: 50 Hz / 60 Hz
• Permissible Frequency Range: 45…65 Hz

Output Contacts

• Terminals: 85-86, 87-88
• Rated Voltage: 250 V AC/DC
• Carry Continuously: 5 A
• Make and Carry for 0.5 s: 30 A
• Make and Carry for 3.0 s: 15 A
• Breaking Capacity for DC:
  • At 48 V DC: 5 A
  • At 110 V DC: 3 A
  • At 220 V DC: 1 A

Signal Contacts

• Terminals: 70-71-72, 68-69
• Rated Voltage: 250 V AC/DC
• Carry Continuously: 5 A
• Make and Carry for 0.5 s: 10 A
• Make and Carry for 3.0 s: 8 A
• Breaking Capacity for DC:
  • At 48 V DC: 1 A
  • At 110 V DC: 0.25 A
  • At 220 V DC: 0.15 A

External Control Inputs

• Terminals: 10-11, 22-23, 45-46, 47-48
• External Control Voltage Level: 18…265 V DC or 80…265 V AC
• Typical Control Current of Input Circuit: 2…20 mA

Power Supply and Output Relay Module

• Module Type SPTU 240 R4: 80…265 V DC/AC
• Module Type SPTU 48 R4: 18…80 V DC
• Power Consumption:
  • Quiescent Conditions: About 5 W
  • Operating Conditions: About 7 W