ABB Motor Protection Circuit Breaker MO325-1 1A 690V

ABB MO325 Motor Protection Circuit Breaker 690V ~ 1.0A

Manufacturer's boxed product

Brand: ABB

Model: MO325 1SAM160000R1005

A motor protection circuit breaker is a protective device specifically designed to protect electric motors against overloads, short circuits, and other abnormal operating conditions. It acts as an automatic switch that disconnects the motor from the electrical circuit in case of dangerous conditions, preventing damage to the motor and protecting the electrical system.

Motor protection circuit breakers differ from conventional circuit breakers because they are designed to handle the specific characteristics of electric motors, such as high starting currents and variable operating conditions.

MO325-1 Manual Motor Starter - Magnetic Only 1 A

The MO325-1 magnetic manual motor starter is a 54 mm wide device with a rated operational current of Ie = 1.0 A. This device is used for manually switching motors ON and OFF and protecting them reliably and without the need for a fuse against short-circuits. The magnetic manual motor starter offers only a service short-circuit breaking capacity Ics = 100 kA at 400 VAC. Other features are the integrated disconnect function, trip-free mechanism, and a rotary handle with a clear switch position indication. The magnetic manual motor starter is suitable only for three-phase and single-phase applications. Auxiliary contacts, signaling contacts, undervoltage releases, shunt trips, 3-phase busbars, and power blocks are available as accessories.

Technical

Rated service short-circuit breaking capacity (Ics):

(230 V AC) 100 kA

(400 V AC) 100 kA

(440 V AC) 100 kA

(500 V AC) 100 kA

(690 V AC) 100 kA

Rated ultimate short-circuit breaking capacity (Icu):

(230 V AC) 100 kA

(400 V AC) 100 kA

(440 V AC) 100 kA

(500 V AC) 100 kA

(690 V AC) 100 kA

Rated instant. short-circuit current setting (Ii):

11.5A

Setting range:

None

Rated Operational Power AC-3 (Pe):

(400 V) Three Phase 0.25 kW

Rated Operational Voltage:

Main Circuit 400 V AC

Main Circuit 690 V AC

Main Circuit 440 V DC

Rated Operational Current (Ie):

1A

Rated Operational Current AC-3 (Ie):

1A

Rated Frequency (f):

Main Circuit 50Hz

Main Circuit 60Hz

Rated Impulse Withstand Voltage (Uimp):

Main Circuit 6 kV

Rated Insulation Voltage (Ui):

690 V

Power Loss:

at Rated Operating Conditions per Pole 2.1 W

Number of Poles:

3

Number of Auxiliary Contacts NC:

0

Number of Auxiliary Contacts NO:

2

Conventional Free-air Thermal Current (Ith):

Main Circuit 1A

Degree of Protection:

Housing IP20

Main Circuit Terminals IP20

Pollution Degree:

3

Electrical Durability:

50000 cycle

Mechanical Durability:

100000 cycle

Terminal Type:

Screw Terminals

Connecting Capacity Main Circuit:

Flexible with Ferrule 1/2x 0.75 ... 4 mm²

Flexible with Insulated Ferrule 1/2x 0.75 ... 4 mm²

Flexible 1/2x 1 ... 6 mm²

Rigid 1/2x 1 ... 6 mm²

Connecting Capacity Auxiliary Circuit:

Flexible with Ferrule 1/2x 0.75 ... 1.5 mm²

Flexible with Insulated Ferrule 1/2x 0.75 ... 2.5 mm²

Flexible 1/2x 0.75 ... 1 mm²

Rigid 1/2x 1.0 ... 2.5 mm²

Tightening Torque:

Auxiliary Circuit 0.8 ... 1.0 N·m

Main Circuit 1.4 N·m

Wire Stripping Length:

Auxiliary Circuit 8 mm

Main Circuit 10 mm

Recommended Screwdriver:

Pozidriv 2

M3.5

Mounting Position:

1...6

Date: 2024/03/25

Weight: 0.300

Measurements: 10x15x24

Locator: B9P2B

Dear customers, if the material is intended for resale, the ICMS tax (Tax Substitution) may apply.

Should the transaction be subject to this tax, the responsibility for payment lies solely with the buyer.

Cabo Eletro Comercial LTDA thanks you.

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