TELEMECANIQUE RM4TA02 RELAY

Motor protection systems

Generator and power monitoring

Industrial automation panels

Elevator and pump systems

Marine applications

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RM4TA02 is a three-phase network control relay from Schneider Electric’s Zelio Control / Harmony RM series. It monitors phase sequence, phase failure, and asymmetry to ensure system protection. Operates in the 380–500 V AC range with fixed time delay.

Voltage range: 290…484 V AC (nominal: 380…500 V AC)

Frequency: 50/60 Hz ±5%

Monitored parameters: Phase sequence, phase failure, asymmetry

Asymmetry threshold adjustment: 5…15%

Time delay: Fixed 0.5 s

Response time: ≤130 ms

Output contacts: 1 C/O (SPDT)

Rated current (Ie):

3 A @ 250 V AC-15
2 A @ 24 V DC-13
0.1 A @ 250 V DC-13

Thermal current (Ith): 8 A

Insulation voltage (Ui): 500 V

Max switching voltage: 440 V AC

Hysteresis: 50% fixed

Mounting: DIN rail (35 mm)

Dimensions: 78 × 22.5 × 80 mm

Weight: ~0.11 kg

Connections: Screw terminals (2 x 2.5 mm²)

Durability:

Electrical: 100,000 cycles
Mechanical: 30,000,000 cycles

Protection rating: IP20

LED indicator: Fault status indication

Certifications: CE, UL, CSA, RoHS, REACh

Data Sheet