Allen Bradley 1321-M048 Common Mode Choke

Overview

The Allen Bradley 1321-M048 is a common mode choke designed for industrial power applications. It reduces electromagnetic interference (EMI) by suppressing common mode noise on AC or DC power lines, improving equipment reliability and signal integrity. This component is suitable for use in drives, PLCs, and motor control circuits.

General Information

Part Number: 1321-M048

Manufacturer: Allen Bradley

Brand / Country of Origin: Rockwell Automation / USA

Type: Common Mode Choke / EMI Filter

Series: 1321

Mounting: Panel or PCB mount

Technology: Magnetic core inductor, high-frequency noise suppression

Power Specifications

Rated Current: 4.8 A

Rated Voltage: Up to 600 V AC/DC

Impedance: Specified per frequency range, typically high at common mode frequencies

Temperature Rise: ≤ 40 °C at rated current

Insulation: Class B (130 °C)

Communication & Interface

Interface Type: None (passive component)

Connection: Screw terminals or solder pins depending on variant

Application Role: Reduces noise in power and signal lines, compatible with industrial control circuits

Diagnostics: Not applicable (passive component)

Environmental

Operating Temperature: −25 to +85 °C

Storage Temperature: −40 to +100 °C

Humidity: Up to 95% RH, non-condensing

Protection Rating: IP00 (requires enclosure for full protection)

Dimensions & Weight

Dimensions (L × W × H): 50 × 25 × 30 mm

Weight: ~ 0.12 kg

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