1492-SPM1D400

The Allen Bradley 1492-SPM1D400 is a supplementary protector effectively designed for enhanced circuit protection. It functions primarily via a toggle switch actuator, allowing for straightforward operational control. The D-curve trip characteristic provides efficient overload protection. This unit has a notable interrupting capacity of 15 kiloamperes, making it suitable for managing faults in electrical circuits. Configured with one pole, the continuous current rating stands at 40 Amperes, capable of supporting applications requiring this level of current.

The voltage ratings confirm compatibility with various systems, supporting both 62.5 Volts DC and 240 Volts AC. This protector also boasts a dual protection class, offering IP20 ratings on the front side while achieving an IP40 rating when encased, thus providing protection against solid objects and limited moisture.

During operation, it features a magnetic trip unit that ensures reliable performance in protecting against electrical anomalies. The insulation voltage rating specifies 250 Volts AC (phase to ground) and 440 Volts AC (phase to phase), enhancing its utility in various installations. The unit underwent a dielectric test that confirms its robustness up to 2 kilovolts.

The clamp terminal type facilitates easy and secure connections. It operates within a frequency range of 50 to 60 Hertz, making it versatile for multiple applications. The rated impulse withstand voltage of 4 kilovolts demonstrates this unit's ability to endure transient voltage spikes, ensuring dependable operation in demanding environments.