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ABB EH-550 CONTACTOR

Name: ABB EH-550 CONTACTOR
Brand: RAJ ELECTRICALS

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MOQ : 1 Piece

ABB EH-550 CONTACTOR Specification

Overheating Protection
No built-in, external protection required

Feature
High Electrical Endurance, Heavy Duty, Compact Design

Efficiency
High switching efficiency

Operating Temperature
-25C to +40C

Humidity %
5% to 95% RH, non-condensing

IP Rating
IP00

Power Factor
0.85 (coil)

Connector Type
Screw terminals

Mounting Type
Panel Mounting

Shape
Rectangular

Surface Finish
Matte

Insulation Material
Thermoplastic

Product Type
AC Power Contactor

Application
Industrial Motor Control, Power Circuit Switching

Protection Level
IP00

Frequency (MHz)
50/60 Hz

Rated Voltage
1000 V AC

Energy Consumption
160 W (coil)

Output Type
Normally Open (NO)

Color
Grey/Black

Dimension (L*W*H)
400 mm x 375 mm x 245 mm

Weight
49 kg

Input Voltage
230-1100 V AC (coil voltage options)

Size
EH-550

Phase
Three Phase

Connection Type
Screw/bolt terminal

Material
High Grade Plastic and Insulated Metal

No Of Poles
3

Shock Resistance
15 g (11 ms)

Mechanical Life
3 million cycles

Vibration Resistance
5 g (10...150 Hz)

Short Circuit Protection
External fuse required

Ambient Storage Temperature
-40C to +70C

Max. Power AC-3 (400 V)
355 kW

Rated Operational Current (AC-3)
550 A

Electrical Life
0.7 million cycles at AC-3

Control Circuit Voltage
24-500 V AC/DC

Coil Voltage Variants
24, 48, 110, 220, 400, 500, 600 V AC

Auxiliary Contacts
2 NO + 2 NC (can be extended)

Standards Compliance
IEC 60947-4-1

ABB EH-550 CONTACTOR Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Cash in Advance (CID), Cheque, Letter of Credit (L/C)

Sample Available
Yes

Main Export Market(s)
Asia, Middle East, Africa

Main Domestic Market
All India

About ABB EH-550 CONTACTOR

ABB EH-550 CONTACTOR Available In Stock At Raj Electricals, Bhavnagar, Gujarat, India.

We are engaged in the supply, dealing, distribution, export and import of the widest range of electrical and electronic items that would suit every type of project, economy and medium.

Product Specification :-

Type :- Electric Contactor

Make :- ABB

AC1 :- 800A

Model :- EH-550

Condition :- Refurbished

Voltage :- 220V AC

Frequency :- 50-60 Hz

For More Details

Whats App or call on :- +919426838080, +919904838080.

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Website : https://www.rajelectrics.com/

High Performance and Durability

The ABB EH-550 Contactor boasts impressive electrical and mechanical endurance, with a 3 million cycle mechanical life and 0.7 million cycles at AC-3. Heavy-duty construction ensures reliable operation, while its compact size allows for flexible installation in demanding industrial settings.

Versatile and Safe Operation

Supporting coil voltage variants from 24V to 600V AC and a wide control circuit voltage range, the EH-550 adapts easily to multiple applications. With externally required short circuit protection and resistance to shock, vibration, and varying humidity, it offers dependable safety and performance.

Designed for Industrial Applications

Ideal for industrial motor control and power circuit switching, the EH-550 contactor fits three-phase systems, supports a high rated voltage of up to 1000 V AC, and provides high switching efficiency. The panel-mountable, matte-finished contactor is built using high-grade plastic and insulated metal.

FAQ's of ABB EH-550 CONTACTOR:

Q: How can I install and connect the ABB EH-550 Contactor in my industrial setup?

A: The EH-550 is designed for panel mounting and utilizes screw/bolt terminals for strong, secure connections. Observe the specified dimension (400 mm x 375 mm x 245 mm) and ensure the ambient installation environment falls within -25C to +40C. Always use appropriate external short circuit protection as specified.

Q: What benefits does the EH-550 Contactor offer for heavy-duty motor control?

A: The EH-550 provides high operational endurance, with a mechanical life of 3 million cycles and electrical life of 0.7 million cycles, ensuring durability and reliability in heavy-duty industrial motor control settings. Its compact design, high switching efficiency, and adaptable voltage inputs offer both flexibility and performance.

Q: When should I consider expanding the auxiliary contacts on the EH-550?

A: Expand the auxiliary contacts (initially 2 NO + 2 NC) if your application demands additional signaling, interlocking, or control functions. Expansion enhances functionality, especially in complex motor control or automation tasks.

Q: Where is the ABB EH-550 Contactor most commonly used?

A: This contactor is ideal for industrial environments where large motor drives, heavy machinery, and power circuit switching are common, such as manufacturing plants, process industries, or automated production lines across various sectors.

Q: What is the process for selecting the correct coil voltage variant for my application?

A: Identify your system's available control voltage, then choose from the EH-550's range: 24, 48, 110, 220, 400, 500, or 600 V AC. This ensures proper functioning and compatibility with your existing electrical infrastructure.

Q: How is overheating protection managed with the EH-550 contactor?

A: The contactor does not include built-in overheating protection. For safe operation, install appropriate external protection mechanisms, such as thermal overload relays or circuit breakers, according to your application's requirements.

Q: What standards compliance does the ABB EH-550 meet for industrial safety?

A: The EH-550 complies with IEC 60947-4-1 standards, guaranteeing safety and performance standards suitable for industrial control and protective switching of high-power equipment.

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