12HFA51A42H | GE Multicontact Relay | 12 Contacts for Control Logic

Product Description

The General Electric 12HFA51A42H Multicontact Auxiliary Relay is a reliable and flexible multicontact relay module designed for use in power systems, industrial automation, and protection circuits. This high-performance relay is equipped with up to 12 independent contact circuits, making it ideal for a wide range of control, signaling, and interlocking applications. The relay features a 125 VDC coil voltage and operates efficiently in demanding environments with a wide operating temperature range of –30°C to +65°C.

The 12HFA51A42H is known for its robust construction, allowing it to withstand harsh conditions typically found in power generation, industrial automation, and substation control systems. Its compact cube design ensures easy integration into relay panels, while its self-resetting function enhances reliability in continuous operation scenarios.

Technical Specifications

Relay Type:

• Multicontact Auxiliary Relay

Number of Contacts:

• Up to 12 independent contact circuits for flexible configurations.

Coil Voltage:

• 125 VDC

Power Requirements:

• +5 VDC, 6 A 

Operating Temperature:

• –30°C to +65°C

Dimensions:

• 12 × 12 × 12 inches

Weight:

• 0.75–1.0 kg

FAQ

1. What is the purpose of the GE 12HFA51A42H relay?

The 12HFA51A42H is a multicontact auxiliary relay used for control, signaling, and interlocking in industrial automation and power systems.

2. How many contact circuits does the relay have?

The relay can handle up to 12 independent contact circuits, providing flexible configuration options for various control applications.

3. What is the operating temperature range for the relay?

The 12HFA51A42H operates within a temperature range of –30°C to +65°C, making it suitable for harsh industrial environments.

4. What is the coil voltage for the relay?

The relay uses a 125 VDC coil voltage, ideal for utility and industrial applications.

5. How compact is the 12HFA51A42H relay?

The relay has a compact cube design with dimensions of 12 × 12 × 12 inches, making it easy to integrate into relay panels.