Schneider M9A26948 Multi 9 – shunt trip release with OC contact

Schneider M9A26948 Multi 9 Shunt Trip Release with OC Contact (MX + OF) – 12/24 V AC / 12/24 V DC

The Schneider M9A26948 is a shunt trip release device designed for use with Multi 9 circuit breakers. This auxiliary accessory enables remote tripping of circuit breakers and is equipped with an open/close (OC) contact to indicate the status of the circuit breaker (whether it is open or closed).

Key Features and Specifications:

• Model: M9A26948
• Product Type: Shunt Trip Release with Open/Close (OC) Contact
• Compatible Circuit Breakers: Schneider Multi 9 series
• Voltage Range:
  • 12/24 V AC
  • 12/24 V DC
• Auxiliary Contact Type: The device includes an open/close (OC) contact, which allows users to monitor the breaker’s status (whether it is in the open or closed position).
• Trip Mechanism: The shunt trip release is triggered by an external control circuit, activating the breaker to trip when necessary (e.g., during faults, overcurrent, or emergency situations).
• Compact Design: Designed to fit into the Multi 9 modular breakers, this device has a compact size, making it ideal for use in space-constrained environments.

Operating Conditions:

• Rated Voltage: Operates with a control voltage of either 12 V AC or 24 V AC, and 12 V DC or 24 V DC, ensuring compatibility with a wide range of electrical systems.
• Temperature Range:
  • Operating Temperature: -5°C to 40°C
  • Storage Temperature: -25°C to 70°C

Applications:

• Remote Control and Tripping: The M9A26948 shunt trip release is primarily used for remote tripping of circuit breakers in industrial, commercial, and residential electrical systems. It allows for quick disconnection of the circuit in case of faults, safety issues, or during maintenance procedures.
• Safety and Automation: This accessory is useful for enhancing the safety and automation of electrical systems, particularly in systems where immediate disconnection of power is required in emergency or fault conditions.

Installation:

• The M9A26948 shunt trip release is designed for easy integration into Schneider Multi 9 circuit breakers. It can be mounted alongside the breaker in a modular installation, typically on a DIN rail, providing an efficient and organized setup.

Compliance:

• The Schneider M9A26948 complies with relevant international electrical safety standards, ensuring that it meets the required quality and performance benchmarks.

Benefits:

• Remote Tripping: Enables quick disconnection of electrical circuits without the need for manual intervention, enhancing safety and efficiency.
• Flexible Voltage Range: Supports both AC and DC control voltages (12/24 V AC/DC), making it versatile and adaptable to various electrical systems.
• Indication of Circuit Status: The OC contact helps indicate whether the circuit breaker is open or closed, improving system monitoring and maintenance.

Conclusion:

The Schneider M9A26948 Shunt Trip Release is an essential accessory for Schneider Multi 9 series circuit breakers, providing a reliable and efficient solution for remote circuit breaker control. With its flexible voltage options, compact design, and integration of an open/close contact, it is ideal for both safety applications and automated electrical systems across industrial, commercial, and residential sectors.