ETRN-X

ETRN-X – Product Description

• The ETRN-X is an auxiliary relay timer in the EAPL ETR series.

• Designed as a quick-response relay with very short delay (~20 ms).

• Compact 17.5 mm DIN-rail design for space-saving in panels.

• Provides reliable auxiliary switching for industrial and automation circuits.

Key Specifications

• Function: Auxiliary relay with very short time delay (~20 ms).

• Supply Voltage: 24 VAC to 240 VAC and 24 VDC to 220 VDC (X-Version).

• Power Consumption: Approx. 15 VA (AC).

• Control Output: 1 Change-over (C/O) relay, rated 5 A at 250 VAC / 28 VDC (resistive load).

• Time Range: Fixed ~20 ms auxiliary action.

• Setting Accuracy: ±10% of full scale ±100 ms.

• Repeat Accuracy: ±1% ±100 ms.

• Recovery Time: Minimum 150 ms.

• Insensitivity to Variations:

  • Voltage: ±2% ±100 ms

  • Temperature: ±5% ±100 ms

  • Frequency: ±2% ±100 ms

• Operating Temperature: –10 °C to +55 °C.

• Storage Temperature: –25 °C to +80 °C.

• Humidity: Up to 95% RH at 40 °C.

• Mechanical Life: ≥10 million operations (no load).

• Electrical Life: ≥1800 operations/hour (at full load).

• Insulation Resistance: >100 MΩ at 500 V DC.

• Dielectric Strength:

  • 1.5 kV AC between input, relay, enclosure.

  • 1.0 kV AC between non-continuous relay contacts.

• Terminals: Screw-type with self-lifting clamps.

• Dimensions: 17.5 mm (W) × 89 mm (H) × 62 mm (D).

Applications

• Relay multiplication circuits.

• Interlocking logic control.

• Auxiliary switching in automation panels.

• Additional relay functions in HT and LT panels.

• Motor Control Centers (MCC panels).

• Control & Relay (C & R) panels.

• Relay Timing Control Centers (RTCC).

• Transformer control panels.

Summary

• Quick-response auxiliary relay timer (~20 ms).

• Wide supply voltage range (24–240 VAC / 24–220 VDC).

• Slim, compact design (17.5 mm DIN rail mount).

• High durability and long service life.

• Suitable for auxiliary and interlocking applications in industrial control systems.