Overview

This document provides technical specifications and ordering information for a three-phase magnetic latching relay with a 120A switching capability. It highlights key features, contact and coil data, environmental compliance, and mechanical characteristics.

1. Contact Data

• Contact Material: Silver Tin Oxide (AgSnO2)
• Maximum Current: 120A
• Maximum Voltage: 250V
• Maximum Power: 30,000 VA
• Contact Resistance: 1.0 mΩ max
• Contact Arrangement: 3A(B)
• Insulation Resistance: 1000 MΩ between open contacts
• Contact Gap: 8 mm
• Mechanical Endurance: 41×10⁶ operations
• Electrical Endurance: 51×10⁶ operations

2. Coil Data and Characteristics

• Coil Voltages Available: 6V, 9V, 12V, 18V, 24V, 48V DC (special voltages available on request)
• Power Consumption: Low power consumption, typically 3W to 6W
• Coil Activation Time: Maximum 50 ms
• Coil Resistance and Current Values (typical):
  - 6V: 4.8 Ω, 12 mA
  - 9V: 7.2 Ω, 27 mA
  - 12V: 9.6 Ω, 48 mA
  - 24V: 19.2 Ω, 192 mA
  - 48V: 38.4 Ω, 768 mA
• Coil Types: Single coil (S) or double coil (D)

3. Relay Features and Construction

• Three-phase switching capability rated at 120A
• Multi-layer blades designed for low temperature rise during operation
• Magnetic latching relay type
• Integrated current transformer (CT) and terminals for easy assembly
• Compliant with RoHS environmental protection standards

4. Environmental and Mechanical Specifications

• Operating Temperature Range: -40°C to +85°C
• Vibration Resistance: 10 Hz to 55 Hz with 1.5 mm amplitude
• Shock Resistance: 147 m/s²

5. Ordering Information

• Part Number Format: TP41 15 C 12 D (example)
• Options include coil voltage selection, contact material, coil type (single or double), and special nominal voltages upon request

6. Additional Notes

• Other nominal voltages can be specially ordered
• Outline dimensions and circuit diagrams are referenced but not detailed in this summary

Summary

This relay is designed for high-current three-phase switching applications with robust contact materials and low power coil operation. It offers flexibility in coil voltage and configuration, environmental compliance, and mechanical durability suitable for industrial use.