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TE Connectivity

New RTX Relay Handles 320A Peak Inrush

TE Connectivity presents the RTX relay, the newest member of its successful RT inrush family. The RTX is specifically developed to meet the requirements of IEC 60669-1, a standard characterizedTE Corcom FB Series by high inrush currents and make/break capacities up to 16A/250VAC. Requirements for this switching capability may be found in lighting controls, home automation systems and similar applications.

The inrush capability of this 1 form A (NO) relay is achieved using an innovative dual contact system. It incorporates a TE “Flip-Flop” spring and a tungsten pre-make contact set to switch inrush currents up to 320A (peak). Loads are carried and broken using the relay’s silver tin oxide contact set.

While the RTX is an expansion of the RT inrush relay family, it has a newly-designed bistable magnetic system. Either the one- or two-coil model provides a high level of energy efficiency. The relay’s actuator design has contact opening features built-in to help open possible microwelds, thus extending the life of the relay.

Measuring only 29.1x12.7x16mm, the RTX is approximately half the size of conventional solutions on the market, offering a space-saving advantage. Like all other RT inrush type relays, the RTX is produced in Waidhofen, Austria. It is VDE approved and UL recognized and RoHS compliant.

With the RTX, TE launches an innovative, trendsetting and even higher performing RT inrush type relay.

Part Number View Inventory
1937650-2 1937650-2 - RTX3-1AT-B005
1937650-5 1937650-5 - RTX3-1AT-B012
1937650-6 1937650-6 - RTX3-1AT-B024
1937650-8 1937650-8 - RTX3-1AT-CO12
1937650-9 1937650-9 - RTX3-1AT-CO24

Key Features:

  • Dimensions 29.1x12.7x16mm
  • 1 pole 16A
  • 1 form A (NO) contact
  • 16A/250V make and break capacity according to IEC 60669-1
  • Tungsten pre-make contact and silver tin oxide carry/break contact
  • Bistable DC coil system (one or two coil)
  • Typical 5mm footprint
  • Reinforced insulation
  • RoHS compliant, cadmium free
  • VDE approved and UL recognized


  • Lighting control systems
  • Movement sensors (e.g. passive infrared sensors)
  • Home automation applications (bus systems remote switching)
  • Electronic switches for fixed installations

See also:
RTX Relay Datasheet (.pdf) for more product information, specifications, applications and ordering information.
Relay Products Line Card (.pdf)
Press Release

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