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AEG 121-088-0V5

Product Name: AEG 121-088-0V5 Control Relay (Plug-in Socket Relay)
Product Category: Interface / Control Relay
Model Series: AEG 121 Series (IEC 60947-5-1 compliant)
Contact Configuration8-Pin — 2 Changeover (2CO) + 2 Normally Open (2NO)
Coil Voltage24V DC

Detailed content

Product Description:
The AEG 121-088-0V5 is an 8-pin plug-in control relay with a 24V DC coil, designed for use in control circuits, automation systems, and signal processing applications. It features 2 changeover contacts and 2 normally open contacts, providing flexible switching capability in industrial control panels.

Technical Specifications:

  • Coil Voltage (Uc): 24V DC
  • Coil Power Consumption: 0.5W (typical)
  • Contact Configuration: 2CO + 2NO (8 pins total)
  • Contact Rating (AC-15)5A at 250V AC
  • Contact Rating (DC-13): 5A at 30V DC
  • Mechanical Life: 10,000,000 operations
  • Electrical Life (AC-15): 500,000 operations
  • Operate Time: ≤ 15ms (typical)
  • Release Time: ≤ 10ms (typical)
  • Insulation Resistance: ≥ 100 MΩ at 500V DC
  • Dielectric Strength: 2500V AC (1 min) between coil and contacts
  • Standards Compliance: IEC 60947-5-1, EN 60947-5-1, UL 508
  • Mounting: Plug-in socket (DIN 46277 / IEC 60269-3 compatible)

Material Composition:

  • Housing: Polycarbonate (PC) — UL94 V-0, halogen-free
  • Contact Material: Silver Alloy (AgSnO2) — welded contacts for high reliability
  • Socket: PA66 with phosphor bronze contacts

Structural Features:

  • Standard octal plug-in base (8-pin)
  • LED indicator for coil energization status (optional variant)
  • Test button on front for manual contact verification
  • DIN rail or panel mounting via socket

Advantages:

  • High mechanical life (10 million operations)
  • Welded silver alloy contacts for zero contact bounce
  • Compact plug-in design for fast replacement
  • 24V DC coil compatible with PLC and DC control systems

Applicable Industry:

  • PLC output interfaces
  • Building automation (BA systems)
  • Machine control circuits
  • Process control panels
  • Safety interlock circuits

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