Theben DIN rail mounted electrical relay module
OKTO ES12-UC - Image 2
OKTO ES12-UC - Image 3

OKTO ES12-UC

Item no.: 3120131

The OKTO ES 12 UC is a versatile electronic latching relay with 1 normally open contact and a potential-free multi-voltage input (8–230 V). It enables convenient lighting control of a single consumer from multiple push-buttons, offering flexibility across various installations.

With zero-cross switching, it supports high LED loads (up to 600 W) while ensuring lamp-friendly operation and extended service life. The unit also features automatic 3-/4-wire detection, SELV compatibility, and a high glow lamp load up to 100 mA.

Compact, quiet, and energy-efficient with only 0.3 W standby consumption, the OKTO ES 12 UC is ideal for residential and commercial environments requiring reliable and flexible lighting control.


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OKTO ES12-UC

OKTO ES12-UC

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Function description

  • Electronicall latching relay with 1 channel/contact (normally open contact)
  • Potential-free multi-voltage input (8 V to 230 V)
  • Comfortable lighting control of one common consumer with several push-buttons possible
  • Particularly quiet operation of the installation switch
  • High glow lamp load up to 100 mA
  • Automatic 3-/4-wire detection of the pulse switch
  • Potential-free with SELV
  • Lamps-friendly due to zero-crossing switching for high LED loads (up to 600 W)
  • Stand-by consumption of only 0.3 W

Technical data

Parameter Specification
Operating voltage 230 V AC
Frequency 50 – 60 Hz
Width 1 module
Installation type DIN rail
Stand-by consumption ~0.3 W
Glow lamp load 100 mA
Type of contact NO contact
Incandescent/halogen lamp load 2600 W
LED lamp < 2 W 55 W
LED lamp 2–8 W 600 W
LED lamp > 8 W 600 W
Switching capacity 16 A at 230 V AC, cos φ = 1
Inrush current max. 800 A / 200 µs
Zero-cross switching
Housing and insulation material High-temperature resistant, self-extinguishing thermoplastic
Ambient temperature -25°C to 50°C
Protection class II
Type of protection IP 20

Downloads

Instruction Manual PDF Instruction Manual

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