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M7A (2 Button Star Delta Starter)

3Ø Star Delta Auto Switch Single Phase Preventer

The M7A Auto Switch by Motif is designed to protect three-phase motors from the absence of any one phase. Our M7A is constructed using high-quality components and modern techniques, following industry standards. Additionally, before delivering this switch to our clients, we conduct a series of tests to guarantee its performance.

Protection:

✰ Single phasing

✰ Reverse phasing

✰ Unbalanced supply

✰ Stops the motor in case of any fault

✰ On-Time Delay to avoid immediate Start

Salient Features :

✰ Adjustable “ON” time delay and Monitors incoming 3-phase supply.

✰ Models with pre-wired connections and Designed for Low Voltage Operations.

✰ Protections in Auto & Manual modes

Technical Specifications :

1

2

3

4

5

6

7

8

9

10

11

Supply voltage

Output Relay Contact

Output Contact Rating

Unbalance Trip Setting

Trip Time Delay (For unbalance)

Trip Time Delay (On Time Delay)

Modes

Resetting

Enclosure

Dimensions (mm) LxBxH

Mounting

415 VAC, 50 Hz

1 NO

5 Amp, 240 VAC (RESISTIVE)

80 V ± 10 V *

3.0 sec. ± 1.0 sec.

30 sec. ± 1.0 sec. / As Per Requirement

Auto, Bypass

Auto Reset

Plastic

118 x 77 x 118

Free Mounting

12

Star to Delta Timer

10 - 15 sec.

Connections :

Single-&-Three-Phase-Auto-Switch-Catalogue-05-09-2024.png

Download The Brochure

Single-&-Three-Phase-Auto-Switch-Catalogue-05-09-202.png

Download The TDS

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