QJM-40 Series — Integrated relay for sealed transformer tanksSeries reference image

Multifunction Protectors

QJM-40 Series

Integrated relay for sealed transformer tanks

Gas protection, oil-level indication, filling and venting. F/S variants add the specified pressure-relief or dual heavy-gas arrangement.

Manufacturer: Shenyang Zhiyue Electric Technology Co., Ltd.

Nominal diameter40 mm
InstallationTransformer tank cover
Download Datasheet

TECHNICAL DATA

Key specifications

Nominal diameter
40 mm
Installation
Transformer tank cover
Ambient temperature
−30 to +50 °C
Operating temperature
−40 to +100 °C
Order settings
Pressure alarm, gas alarm level and relief pressure

Catalog-based series data. Request the approved drawing or wiring document for the exact ordered model.

MODEL REFERENCES

Select a model for your inquiry.

Listed models and order-code examples identify configurations within this series.

ENGINEERING REVIEW

Technical documents

AVAILABLE NOW · NO FORM REQUIRED

QJM-40 Series Selection Data

Catalog-based series specifications and selection notes.

1 page · English selection data · Rev 1.1

Catalog-based series data. Request the approved drawing or wiring document for the exact ordered model.

Download PDF

Need a configuration-specific drawing or certificate? Send the exact model and requirements.

Transmission lines crossing a mountain landscape

YOUR PROJECT. OUR ATTENTION TO DETAIL.

Tell us what you need.

Send us the model, specifications or an existing nameplate.
We’ll help confirm the configuration for your project.

TRANSFORMER
PROTECTION
COMPONENTS.