SQUARE D S48818 Rating Plug S48818

Description:

The Square D S48818 Rating Plug is an electrical accessory used to set or configure the current rating for compatible protective devices such as circuit breakers and motor starters. Installed in industrial and commercial electrical systems where adjustable trip characteristics or protective settings are needed. Maintenance teams and electricians use this component for replacement, retrofit, and system tuning to ensure correct overload and coordination settings.

Applications:

The Square D S48818 rating plug is used in power distribution, motor control centers, and panelboards to configure the protective trip point of devices according to system requirements. It is deployed in manufacturing facilities, industrial plants, HVAC systems, pump panels, and commercial buildings where adjustable protective settings help achieve selective coordination, improved fault response, and compliance with electrical protection standards.

Technical Specifications:

• Manufacturer: Schneider Electric / Square D
• Model / Part Number: S48818
• Product Type: Rating Plug / Trip Setting Accessory
• Function: Sets or configures trip/overload rating on compatible devices
• Compatible Devices: Select Square D circuit breakers and starters that accept rating plug accessories
• Adjustment Method: Plug‑in installation into device; defines current rating
• Mounting: Installed in device accessory slot
• Standards: UL/CSA certified where applicable
• Application: Protective configuration in electrical systems

Common Replacements:

• Square D S48817 
• Square D S48819
• Schneider Electric GV2ME Series