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ABB A50-30-11 1SBL351001R8011 Contactors

Brand/Manufacturer: ABB

Order Number: A50-30-11 1SBL351001R8011

Type: Contactors

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

Configured for power switching and motor circuit isolation in industrial automation systems, the ABB A50-30-11 1SBL351001R8011 (A50-30-11 3-Pole Contactor) provides direct physical/electrical execution. The hardware component controls main power circuits by actuating three main 1 NO/1 NC auxiliary contacts via an electromagnetic operating coil. Designed for direct mounting on industrial panels, it provides physical contact separation to execute start, stop, and reversing sequences across connected inductive and resistive loads.

Hardware Specifications

Parameter Specification
Model A50-30-11 (1SBL351001R8011)
Brand ABB
Origin France
Weight 1.16 kg
Dimensions 108 x 70 x 110 mm
Operating Temp -40 deg C to +70 deg C
Power Consumption Coil Holding 18 VA / Inrush 180 VA
Product Type Contactors
Main Contacts 3 NO
Auxiliary Contacts 1 NO + 1 NC
Rated Operational Current 50 A (AC-3), 100 A (AC-1)
Coil Voltage 220-230 VAC 50Hz / 230-240 VAC 60Hz

Backplane Bus Communication Velocity & I/O Density Scaling

When deployed alongside PLC-driven motor control centers, the contactor interface operates via interposing relay channels to decouple switching transients from backplane bus communication structures. Digital output modules trigger coil energization, requiring deterministic I/O scan execution to preserve system timing. Proper I/O density scaling inside control enclosures demands adherence to spacing intervals to prevent cumulative thermal load buildup across adjacent switching devices.

Frequently Asked Questions

Q: What precautions should be taken regarding coil voltage tolerances during continuous operation?

A: The AC control coil must be supplied within 85% to 110% of its rated operational voltage (220-240 VAC). Undervoltage conditions can lead to contact chatter and excessive arc erosion, while sustained overvoltage increases thermal coil stress.

Q: Can auxiliary contact blocks be expanded on the A50-30-11 chassis?

A: Yes, the contactor chassis supports side-mounted and front-mounted auxiliary contact blocks to scale status feedback signals into high-density PLC digital input cards.

Field Installation Guidelines

  1. Mount the unit vertically on a rigid panel or standard mounting rail using designated screw fasteners to maintain mechanical alignment.
  2. Verify all power and auxiliary terminal screws are torqued to specified manufacturer limits to prevent high-resistance terminal hot spots.
  3. Maintain recommended physical clearance distances above and below the arc chute vents to allow adequate arc gas dissipation.
  4. Separate high-voltage AC load wiring from low-voltage signal cables in wire ducts to suppress inductive noise coupling.
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Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

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