Product Details

Modicon A338-03 is a heavy-duty terminal block and reliable wiring connector built for legacy Modicon automation racks. This legacy wiring part offers secure, stable electrical connections for power lines and field signal cables linking I/O modules, sensors and actuators. It delivers excellent insulation and low contact resistance to prevent loose connections and signal dropout in ageing control systems. As a discontinued spare, this terminal block is widely chosen for on-site cabinet rewiring and replacement of corroded or damaged wiring connector units, helping maintain stable signal transmission without overhauling the whole control cabinet.

Basic Parameters

Brand: Modicon

Model: A338-03

Product Type: Terminal Block / Wiring Connector

Rated Voltage: 300 V

Rated Current: 15 A

Wire Range: 14–22 AWG

Connection Type: Screw clamp termination

Mounting: DIN rail mount

Product Status: Discontinued legacy spare

Net Weight: Approximately 0.08 kg

Supported Functions

This terminal block supports fast cable termination, signal branching and reliable power distribution inside industrial control cabinets. The wiring connector enables convenient circuit inspection and cable replacement, and its screw clamp design firmly locks conductors against vibration. This legacy wiring part can organise scattered field cables and reduce wiring chaos for Modicon 800 series racks.

Core Functions

As a critical wiring connector, this terminal block establishes safe conductive paths between field devices and PLC modules. It isolates individual circuits and protects signal integrity in noisy factory environments. This legacy wiring part serves as a direct replacement to restore secure wiring connections for old Modicon automation racks.

Hardware Specifications & Environmental Features

Operating Temperature: -10°C ~ +60°C

Storage Temperature: -20°C ~ +70°C

Relative Humidity: 5%–95%, non-condensing

Housing: High-strength flame-retardant plastic

Insulation: Reinforced dielectric material

Anti-interference: Vibration-resistant screw clamping design

Compatibility: Matches 800 series backplane and compatible peripheral modules

Industry Applications: Applied in legacy petrochemical distributed control, old paper making production automation, material handling conveyor lines, packaging and textile machinery, water treatment remote signal collection and large conveyor remote I/O control racks.

Note: Confirm 800 series backplane compatibility, pulse signal type, counting mode and preset logic before ordering.

This is from our current stock.

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