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Allen Bradley Bulletin 1492-SP 1492-SPM3D320

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1492-SPM3D320

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The 1492-SPM3D320 is a supplementary protector developed by Allen Bradley, tailored for effective circuit protection. This device operates optimally at a rated current of 32 A at both 30°C and 40°C and features three poles for versatility in applications.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1492-SPM3D320

ManufacturerAllen Bradley
Product TypeSupplementary Protector
Product LineBulletin 1492-SP
Part Number1492-SPM3D320
Weight0.75 lbs (0.34 kg)
Rated Current at 30°C32 A at 30°C
Rated Current at 40°C32 A at 40°C
Number of Poles3 Poles
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Nominal Operational Voltage400 VAC
Impulse Withstand Voltage4 kV
Dielectric Strength2 kV
Mounting MethodDIN Rail Mount
Shock Acceleration (Max.)25 g
Shock Duration (Max.)13 ms
Relative Humidity, Min90% (Non-Condensing)
Vibration Acceleration (Max.)5 m/s²
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The Allen Bradley 1492-SPM3D320 is categorized as a supplementary protector, engineered to safeguard circuits in various environments. This device maintains a rated current of 32 A, tested at temperatures of both 30°C and 40°C, ensuring reliability across a spectrum of operating conditions. Featuring three poles, it provides effective protection tailored to specific applications.

Operating frequencies range between 50 Hz and 60 Hz, making it suitable for different industrial setups. Rated for nominal operational voltages up to 400 VAC, the 1492-SPM3D320 ensures compatibility with a variety of systems. It exhibits an impressive impulse withstand capability of 4 kV, which protects against voltage surges, and a dielectric strength evaluation of 2 kV.

An installation using a DIN rail mount simplifies deployment in control panels or enclosures. The supplementary protector can withstand a maximum shock of 25 g and a shock duration of up to 13 milliseconds, indicating its robustness under extreme conditions. It also operates efficiently in environments with a minimum relative humidity level of 90%, provided that condensation is not present. Further, this protector experiences vibration effects up to 5 m/s², making it a reliable choice for mobile or industrial applications.