Lovato M1R00912400A4 is an IP65 enclosed direct-on-line motor starter rated at 1 A and 0.25 kW at 400 V with adjustable 0.63–1 A Class 10A thermal overload protection and a 400 V AC 50/60 Hz contactor coil.
SKU:M1R00912400A4MPN:M1R00912400A4
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Why Choose the Lovato M1R00912400A4 Direct-On-Line Starter?
The Lovato M1R00912400A4 is an enclosed direct-on-line (DOL) motor starter designed for reliable starting and thermal overload protection of industrial motors. It combines a BF0910A contactor and RF380100 thermal overload relay within a robust enclosure, providing an integrated motor control solution for machinery and industrial applications.
The starter incorporates a RESET pushbutton and temperature-compensated thermal overload protection with a Class 10A release characteristic. Its overload relay provides an adjustable current range of 0.63–1 A, allowing the protection setting to be matched to the rated current of the connected motor.
With an AC-3 operational current of 1 A at 400 V and a rated operational power of 0.25 kW at 400 V, the M1R00912400A4 is designed for smaller industrial motor loads. Its 400 V AC 50/60 Hz contactor coil and IP65 enclosure make it suitable for installations requiring an enclosed starter with a 400 V AC control supply.
Key Advantages
Complete direct-on-line starter with integrated thermal overload protection.
1 A AC-3 operational current at 400 V.
0.25 kW AC-3 rated operational power at 400 V.
0.63–1 A adjustable thermal overload relay for motor protection.
400 V AC 50/60 Hz contactor coil for industrial control circuits.
IP65 enclosure with RESET pushbutton.
Key Features
Lovato M1R direct-on-line motor starter.
1 A IEC operating current at ≤440 V.
0.25 kW IEC motor power rating at ≤440 V.
400 V AC 50/60 Hz contactor coil voltage.
0.63–1 A thermal overload adjustment range.
Class 10A overload release.
Integrated BF0910A contactor.
Integrated RF380100 thermal overload relay.
Temperature-compensated overload protection with external reset capability.
IP65 IEC and NEMA 4X enclosure protection.
Reliable Direct-On-Line Motor Starting
Direct-on-line starters provide a straightforward method of controlling suitable industrial motors by connecting the motor directly to its electrical supply through a contactor. The integrated thermal overload relay helps protect the motor against sustained overload conditions while providing a convenient, compact motor control arrangement.
The Lovato M1R00912400A4 combines the BF0910A contactor and RF380100 thermal overload relay within an IP65 enclosure. Its adjustable 0.63–1 A overload range allows protection to be matched to the connected motor, while the RESET pushbutton provides convenient manual reset following an overload trip.
Typical Applications
Direct-on-line starting of suitable industrial motors.
Small industrial pumps and fluid handling equipment.
Fans, blowers and ventilation equipment.
Conveyors and material handling systems.
Small process and production machinery.
OEM machinery and industrial automation systems.
Technical Specifications
HS code
85371098
Manufacturer
Lovato Electric
Series
M1R
Model
M1R00912400A4
Product type
Direct-on-line motor starter
Configuration
Enclosed with thermal overload relay
Coil type
AC coil
Contactor coil voltage
400 V AC
Coil frequency
50/60 Hz
IEC operating current Ie (≤440 V)
1 A
AC-3 operational current at 400 V
1 A
AC-3 rated operational power at 400 V
0.25 kW
Thermal overload adjustment range
0.63–1 A
Overload release class
Class 10A
Overload protection
Temperature compensated
Contactor supplied
BF0910A
Thermal overload relay supplied
RF380100
Starter enclosure supplied
M1RA
Pushbutton
RESET
External reset
Yes
IEC protection rating
IP65
UL protection rating
Type 1, 12K, 4, 4X
NEMA protection rating
4X
Rated conditional short-circuit current, Type 2 at 230 V
50 kA
Rated conditional short-circuit current, Type 2 at 400 V
50 kA
UL/CSA horsepower rating at 480 V
0.5 HP
Operating temperature
-25 to +60 °C
Storage temperature
-40 to +70 °C
Dimensions (H × W × D)
202 × 88 × 148 mm
Weight
995 g
Package dimensions
206 × 92 × 170 mm
Package volume
3221.84 cm³
EAN
8013975158555
Frequently Asked Questions
What is the Lovato M1R00912400A4 used for?
The M1R00912400A4 is an enclosed direct-on-line motor starter designed for starting suitable industrial motors while providing adjustable thermal overload protection.
What motor power is supported by the M1R00912400A4?
The starter has an AC-3 rated operational power of 0.25 kW at 400 V and an AC-3 operational current of 1 A.
What is the overload adjustment range?
The integrated RF380100 thermal overload relay has an adjustable current range of 0.63–1 A with a Class 10A release characteristic.
What coil voltage does the M1R00912400A4 require?
The supplied BF0910A contactor uses a 400 V AC coil operating at 50/60 Hz.
What enclosure protection does the M1R00912400A4 provide?
The starter provides an IP65 IEC protection rating, with UL Type 1, 12K, 4 and 4X enclosure ratings.
Trusted Industrial Motor Control from Lovato Electric
The Lovato M1R00912400A4 combines 1 A direct-on-line motor control, adjustable 0.63–1 A thermal overload protection, a 400 V AC 50/60 Hz contactor coil and IP65 enclosure in an integrated solution for industrial motor applications.
HS code
85371098
Manufacturer
Lovato Electric
Series
M1R
Model
M1R00912400A4
Product type
Direct-on-line motor starter
Configuration
Enclosed with thermal overload relay
Coil type
AC coil
Contactor coil voltage
400 V AC
Coil frequency
50/60 Hz
IEC operating current Ie (≤440 V)
1 A
AC-3 operational current at 400 V
1 A
AC-3 rated operational power at 400 V
0.25 kW
Thermal overload adjustment range
0.63–1 A
Overload release class
Class 10A
Overload protection
Temperature compensated
Contactor supplied
BF0910A
Thermal overload relay supplied
RF380100
Starter enclosure supplied
M1RA
Pushbutton
RESET
External reset
Yes
IEC protection rating
IP65
UL protection rating
Type 1, 12K, 4, 4X
NEMA protection rating
4X
Rated conditional short-circuit current, Type 2 at 230 V
50 kA
Rated conditional short-circuit current, Type 2 at 400 V
50 kA
UL/CSA horsepower rating at 480 V
0.5 HP
Operating temperature
-25 to +60 °C
Storage temperature
-40 to +70 °C
Dimensions (H × W × D)
202 × 88 × 148 mm
Weight
995 g
Package dimensions
206 × 92 × 170 mm
Package volume
3221.84 cm³
EAN
8013975158555
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...