855-405/300-509

$520.23

Description：CURR SENSE XFMR 300A CHAS MNT
Series：-
Mfr：WAGO Corporation
Package：Box

SKU:110185eaeef3 Category: Current Sense Transformers Brand: WAGO Corporation

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Product introduction

855-405/300-509 is listed in the Current Sense Transformers range at ChipApex. The manufacturer field lists WAGO Corporation. Its product description is CURR SENSE XFMR 300A CHAS MNT. Review the specifications below when checking this part for your BOM.

Current Sense Transformers specifications for 855-405/300-509

Description：CURR SENSE XFMR 300A CHAS MNT
Series：-
Mfr：WAGO Corporation
Package：Box
Frequency Range：50Hz ~ 60Hz
Type：Non-Invasive (Solid Core)
Inductance：-
ET (Volt-Time)：-
Current Ratio：-
DC Resistance (DCR)：-
Ratings：-
Mounting Type：Chassis Mount
Size / Dimension：2.756" L x 1.378" W (70.00mm x 35.00mm)
Height - Seated (Max)：3.589" (91.15mm)
Termination Style：Terminal Block
Turns Ratio - Primary:Secondary：-
Current Rating (Amps)：300 A

Current Sense Transformers datasheet and documents for 855-405/300-509

855-405/300-509

Current Sense Transformers Overview

The WAGO Corporation 855-405/300-509 is a plug-in current sense transformer designed for chassis mounting applications. It features a primary rated current of 300 A and operates within a frequency range of 50 Hz to 60 Hz. The device provides a secondary output with a current ratio of 300:5, ensuring accurate signal transmission for monitoring purposes. It holds an accuracy class of 0.5 and supports a burden capacity of 5 VA. The physical aperture measures 32 mm, accommodating standard busbars or conductors.

Current Sense Transformers Feature Summary

Pluggable construction facilitates easy installation and replacement in electrical systems.
High accuracy class ensures reliable current measurement for sensitive monitoring circuits.
Chassis mount design provides stable mechanical integration within control panels.

Current Sense Transformers Applications

Industrial power distribution monitoring
Electrical panel current sensing
Energy management systems

Current Sense Transformers Procurement Notes

Verify the specific ordering suffix matches the required primary current rating and accuracy class. Confirm that the physical dimensions align with existing chassis cutouts. Ensure the operating frequency range meets system requirements. Check environmental compliance documentation for intended deployment zones. Validate connector compatibility with downstream instrumentation.

Current Sense Transformers Selection Notes

Choose this model when a 300 A primary rating and 30:5 ratio are necessary. Consider the 32 mm aperture size for conductor fitment. Evaluate the 5 VA burden limit against connected load impedance. Assess the need for pluggable maintenance over fixed-wire alternatives. Compare accuracy class requirements against metering precision needs.

Current Sense Transformers Part Context

This component belongs to the WAGO 855 Series of current transformers. It is part of a family offering various primary current ratings and aperture sizes. The series emphasizes modular design for industrial automation and power monitoring tasks. Similar models exist with different current capacities and accuracy specifications.

Current Sense Transformers Replacement Considerations

Direct substitutes include other WAGO 855 series units with identical 300 A ratings and 32 mm apertures. Verify that alternative models maintain the same 30:5 ratio and Class 0.5 accuracy. Ensure mechanical mounting interfaces remain compatible with existing panel structures.