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11RFA9015 - T/O RELAY RFA9 0.09-0.15A

11RFA9015 – T/O RELAY RFA9 0.09-0.15A

Lovato 11RFA9015 is a three-pole, automatic-reset thermal motor protection relay with a 0.09–0.15 A adjustable current range, phase-failure sensitivity and direct mounting on BG06, BG09 and BG12 mini-contactors.

SKU: 11RFA9015Alt SKU: RFA9015MPN: 11RFA9015
Price
List Price £73.99 ex VAT
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£73.99
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Manufacturer Lead Time

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Why Choose the Lovato 11RFA9015 Motor Protection Relay?

The Lovato 11RFA9015 is a three-pole thermal motor protection relay designed to protect three-phase motors against overload and phase-failure conditions. Its adjustable operational current range of 0.09–0.15 A enables accurate protection of low-current motor circuits.

This phase-failure-sensitive relay features automatic resetting, tripping class 10A, a test button and a visible trip indicator. One normally open and one normally closed auxiliary contact are included for signalling and integration with control circuits.

The 11RFA9015 mounts directly onto Lovato BG06, BG09 and BG12 mini-contactors, supporting compact motor starter assemblies. Its 690 V rated operational voltage, IP20 frontal protection and broad operating-frequency range make it suitable for industrial control panels and machinery.

Key Advantages

  • Adjustable 0.09–0.15 A operational current range.
  • Thermal overload and phase-failure protection for three-phase motors.
  • Direct mounting on BG06, BG09 and BG12 mini-contactors.
  • Automatic reset supports applications requiring reset without manual intervention.
  • Integrated test button and visible trip indicator.
  • One normally open and one normally closed auxiliary contact.

Key Features

  • Lovato 11RFA9 motor protection relay series.
  • Three-pole thermal release.
  • 0.09–0.15 A adjustable operational current.
  • Tripping class 10A.
  • Phase-failure-sensitive operation.
  • Automatic reset mode.
  • 690 V rated operational voltage.
  • Integrated test button and trip indicator.
  • 1 NO and 1 NC auxiliary contact.
  • Direct mounting on Lovato BG-series mini-contactors.
  • IP20 frontal protection.

Reliable Automatic-Reset Motor Protection

Thermal motor protection relays monitor the current supplied to a motor and trip when a sustained overload creates a potentially damaging condition. Phase-failure sensitivity adds protection when one phase is lost, helping reduce the risk of motor overheating and premature equipment failure.

The Lovato 11RFA9015 combines an adjustable current setting with automatic reset, auxiliary signalling contacts and direct contactor mounting. Automatic-reset operation should be used only where the control system and machine safety design prevent unexpected or hazardous restarting.

Typical Applications

  • Protection of low-current three-phase motors.
  • Motor starters requiring automatic relay resetting.
  • Motor starters using Lovato BG06 mini-contactors.
  • Motor starters using Lovato BG09 mini-contactors.
  • Motor starters using Lovato BG12 mini-contactors.
  • Industrial machinery and automation systems.

Technical Specifications

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Load Voltage 690 V
Monitoring Function Temperature / thermistor
Monitored Supply Single-phase
Reset Type Automatic
Manufacturer Lovato Electric
Series 11RFA9
Model 11RFA9015
Product type Thermal motor protection relay
Number of poles 3
Operational current 0.09–0.15 A
Type of release Thermal
Tripping class 10A
Phase-failure detection Yes
Reset mode Automatic
Rated operational voltage 690 V
Rated insulation voltage 690 V
Rated impulse withstand voltage 8 kV
Operational frequency 0–400 Hz
Recommended aM protection fuse 0.25 A
Auxiliary contacts 1 NO + 1 NC
Auxiliary-contact AC-15 rating at 24 V 1.5 A
Frontal protection rating IP20
Overvoltage category III
Pollution degree 3
Power terminal type Screw and washer, M4
Power terminal tightening torque 2.3 Nm
Operating temperature -20 to +55 °C
Storage temperature -55 to +70 °C
Maximum altitude 3000 m
Mounting type Direct mounting on BG06, BG09 and BG12 mini-contactors
Normal operating position Vertical plane
Weight 116 g
Contacts 1NO + 1NC

Frequently Asked Questions

What is the Lovato 11RFA9015 used for?

The Lovato 11RFA9015 protects three-phase motors against thermal overload and phase-failure conditions in compatible motor starter assemblies.

What is the current adjustment range of the 11RFA9015?

The relay has an adjustable operational current range of 0.09–0.15 A.

Which contactors are compatible with the Lovato 11RFA9015?

The relay is designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.

Does the 11RFA9015 detect phase failure?

Yes. The 11RFA9015 is phase-failure sensitive and helps protect a three-phase motor if one of its supply phases is lost.

How is the Lovato 11RFA9015 reset after tripping?

The relay uses automatic resetting, so the motor control system must be designed to prevent an unexpected or unsafe restart.

Trusted Motor Protection from Lovato Electric

Lovato thermal motor protection relays provide dependable overload and phase-failure protection for industrial motors, combining adjustable settings, control-circuit signalling and direct integration with compatible contactors.

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