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1SBL357001R7200
ABB 1SBL357001R7200 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The ABB 1SBL357001R7200, also designated AF50-30-00-72, is a three-pole block contactor designed for controlling three-phase motors and industrial power circuits. It features three normally open main contacts and an electronic coil interface with a 20–60 V DC control voltage range, providing reliable operation during voltage fluctuations and brief supply interruptions.
Rated for operational voltages up to 690 V AC, this contactor supports AC-3 motor loads of 50 A at 380–415 V and 22 kW at 400 V. Its compact construction measures 70 mm wide, 108 mm deep and 110 mm high, making it suitable for control panels, motor starters, bypass circuits, lighting systems and capacitor-switching applications. Screw terminals and compatibility with front- and side-mounted auxiliary contact blocks allow straightforward integration into a wide range of industrial installations.
Rated for operational voltages up to 690 V AC, this contactor supports AC-3 motor loads of 50 A at 380–415 V and 22 kW at 400 V. Its compact construction measures 70 mm wide, 108 mm deep and 110 mm high, making it suitable for control panels, motor starters, bypass circuits, lighting systems and capacitor-switching applications. Screw terminals and compatibility with front- and side-mounted auxiliary contact blocks allow straightforward integration into a wide range of industrial installations.
| Specification | Description |
|---|---|
| Manufacturer | ABB |
| Part Number | 1SBL357001R7200 |
| Product Type | AF50-30-00 three-pole block contactor |
| Contactor Series | ABB AF |
| Primary Application | Control of three-phase motors and general power circuits |
| Main Contact Configuration | 3 normally open main contacts |
| Built-in Auxiliary Contacts | None |
| Control Circuit Voltage | 20–60 V DC |
| Rated Operational Voltage | Up to 690 V AC |
| Rated Operational Current, AC-3 | 53 A at 220–240 V; 50 A at 380–415 V; 45 A at 440–500 V; 35 A at 690 V |
| Rated Operational Power, AC-3 | 15 kW at 220–240 V; 22 kW at 380–400 V; 25 kW at 415–440 V; 30 kW at 500–690 V |
| Conventional Free-Air Thermal Current | 100 A at 40°C |
| Rated Operational Current, AC-1 | 100 A at 40°C; 85 A at 55°C; 70 A at 70°C |
| Rated Insulation Voltage | 1,000 V according to IEC; 600 V according to UL/CSA |
| Rated Impulse Withstand Voltage | 8 kV |
| Rated Making Capacity, AC-3 | 10 times the rated AC-3 operational current |
| Rated Breaking Capacity, AC-3 | 8 times the rated AC-3 operational current |
| Maximum Switching Frequency | 300 cycles per hour for AC-1 and AC-3; 150 cycles per hour for AC-2 and AC-4 |
| Short-Circuit Protection | Suitable for use with 100 A gG-type fuses |
| Coil Interface | Electronic DC-operated coil interface designed to accommodate control-voltage variation |
| Main Circuit Cable Capacity | 6–16 mm² flexible cable with end sleeve; 6–25 mm² rigid cable |
| Auxiliary Circuit Cable Capacity | 0.75–2.5 mm² flexible cable with end sleeve; 1–4 mm² rigid cable |
| Terminal Type | Screw terminals |
| Coil Terminal Protection | IP20 |
| Operating Temperature | −40°C to +70°C when installed without a thermal overload relay |
| Operating Temperature with Thermal Overload Relay | −25°C to +55°C |
| Storage Temperature | −60°C to +80°C |
| Maximum Operating Altitude | 3,000 m |
| Product Dimensions | 70 mm wide × 108 mm deep × 110 mm high |
| Net Weight | 1.18 kg |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14 and applicable railway standards |
| RoHS Status | Compliant with EU Directive 2011/65/EU |
| EAN | 3471522114624 |
| Customs Tariff Number | 85364900 |
What type of component is this?
It is a three-pole block contactor designed to control three-phase motors and other electrical power circuits. Its extended product type is AF50-30-00-72.
How many main contacts does the contactor have?
The contactor has three normally open main contacts and no normally closed main contacts.
Does the contactor include built-in auxiliary contacts?
No. It has no built-in normally open or normally closed auxiliary contacts, although compatible front- and side-mounted auxiliary contact blocks may be added where required.
What control voltage does the coil accept?
The electronic coil interface is designed for a DC control voltage range of 20 to 60 V.
What is the maximum operational voltage of the main circuit?
The main circuit has a rated operational voltage of up to 690 V.
What motor power can this contactor control?
Under AC-3 duty, the rated motor power includes 15 kW at 220–240 V, 22 kW at 380–400 V, 25 kW at 415–440 V, and 30 kW at 500–690 V. The appropriate rating depends on the circuit voltage and operating conditions.
What is the AC-3 operational current rating?
The rated AC-3 operational current is 53 A at 220–240 V, 50 A at 380–415 V, 45 A at 440–500 V, and 35 A at 690 V, based on the stated operating conditions.
What applications is this contactor suitable for?
The 1SBL357001R7200 is primarily intended for switching three-phase motors. It can also be used in applications such as bypass circuits, capacitor switching, lighting control and suitable AC or DC power circuits.
What are the contactor's dimensions and weight?
The unit measures approximately 70 mm wide, 108 mm deep and 110 mm high. Its net weight is approximately 1.18 kg.
What conductor sizes can be connected to the main terminals?
The main circuit terminals accept rigid conductors from 6 to 25 mm² or flexible conductors with cable ends from 6 to 16 mm².
What is the permitted ambient temperature range?
When installed without a thermal overload relay, the contactor can operate from -40°C to +70°C. When fitted close to a thermal overload relay, the operating range is -25°C to +55°C. The stated storage range is -60°C to +80°C.
What switching frequency can the contactor achieve?
The maximum electrical switching frequency is 300 cycles per hour for AC-1 and AC-3 duty, and 150 cycles per hour for AC-2 or AC-4 duty. The maximum mechanical switching frequency is 300 cycles per hour.
What short-circuit protection rating is specified?
The specified short-circuit protective device is a 100 A gG-type fuse. Circuit design and protective-device coordination should be assessed for the intended installation.
Which electrical standards does the contactor comply with?
The listed standards include IEC/EN 60947-1, IEC/EN 60947-4-1, UL 508 and CSA C22.2 No. 14, together with applicable sections of additional railway and industrial standards.
What are the contactor's insulation and impulse withstand ratings?
The rated insulation voltage is 1,000 V under IEC requirements and 600 V under UL/CSA requirements. The rated impulse withstand voltage is 8 kV.
- Switching and controlling three-phase industrial motors
- Managing power circuits in machinery and automated production equipment
- Operating pumps, fans, compressors and conveyor systems
- Controlling industrial lighting circuits
- Switching capacitor banks for power factor correction
- Supporting bypass circuits in motor control applications
- Controlling electrical heating equipment
- Switching AC power circuits rated up to 690 V
- Managing DC power circuits rated up to 220 V
- Providing reliable contactor operation where control-voltage fluctuations or brief dips may occur
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
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Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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6 months ago
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