TZS Series Earth Leakage Relays

Product catalog summary

Overview: The document provides technical specifications and operational guidelines for the TZS Series Earth Leakage Relays and associated components. It includes detailed information on dimensions, ratings, mounting options, and operational characteristics.

Specifications:

Control Voltage: Rated for 120V AC and 240V AC, with a frequency of 50/60Hz.
Sensitivity Current: Various models with different sensitivity ratings, such as 30mA, 100mA, 300mA, 500mA, and 1000mA.
Operating Time: Adjustable operating time ranges from 0.2 to 2 seconds, depending on the model.
Dimensions: Surface mount dimensions vary by model, with specific width, height, and depth measurements provided.
Weight: Varies by model, with specific weights provided for surface mount configurations.

Mounting Options:

Available in both surface mount and flush mount configurations.

Standard Features:

Earth leakage detection with output contact and indication.
Reset function available, with automatic reset upon power loss.
Power source required for operation.

Relay Ratings:

Details on applicable wire sizes, continuous current ratings, and maximum wire diameters for different configurations.

Core Balanced Current Transformers (ZCT):

Specifications for ZCT types, including wire length limitations based on sensitivity current.

Operational Guidelines:

Includes cautionary notes on voltage application to prevent burnout.
Instructions for adjusting operating time and sensitivity using dip switches.
Details on terminal screw tightening torque.

Diagrams and Charts:

Connection diagrams and drilling plans for installation.
Operating time charts for different percent ground-fault currents.

Catalog excerpts

Output contacts (1C)ZCT connecting terminals Control power terminals 43 > 1 10֖M3 ~ 0.5 29 > Test buttonLED, red (LEAKED)LED, green (NORMAL)Reset buttonResponse current/time delay selector switch Earth leakagemonitor (ZCT) 31 NORMALRESETLEAKEDTEST 40 36 78 50 3178 5 2ָ4.5 8 6050 Response current/timedelay selector switch 1004 > AC200/240VAC100/120V COM TZS-AD ֗ ZCT wire length30mA: less than 3m, 100, 300mA: less than 5m, 500, 1000mA: less than 10mNote: The output contacts are hold until the reset button is pressed.Loss of control power resets the contacts automatically.Terminal screw tightening...

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