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ABB Auxiliary contact block MCB-10
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Specifications
| Brand | ABB |
|---|---|
| Model Number | MCB-10 |
| Official Product Name | Modular Contact Block, 1 N/O |
| Applicable System | ABB modular pilot devices: pushbuttons and selector switches (22 mm system) |
| Product Type | Auxiliary contact block / pilot device accessory |
| Equivalent Standard | IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14; contact us for cross-reference and alternative models |
| Product Status | In Stock |
| Contact Configuration | 1 N/O, 0 N/C |
| Mounting Type | Front mounting (without holder) |
| Terminal Type | Screw-clamp terminals, 0.9 N·m |
| Rated Operational Voltage | up to 690 V |
| Rated Insulation Voltage | 690 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Rated Thermal Current | 10 A |
| Connecting Capacity | 0.75-2.5 mm² flexible or solid |
| Degree of Protection | IP20 (terminals) |
| Operating Temperature | -25 to +70 °C |
| Mechanical Durability | 10 million operations |
| Standards | IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14 |
| Order Code | 1SFA611610R1001 |
Product Description
It is the switching element used with holders such as the MCBH-00 behind pushbuttons and selector switches, giving reliable auxiliary contact operation in control circuits. The block uses silver contacts and screw-clamp terminals, is rated up to 690 V with 10 A thermal current, and is built for a mechanical life of 10 million operations. Its snap-on, tool-free design simplifies panel building and maintenance. The ABB MCB-10 (order code 1SFA611610R1001) is a single modular contact block with one normally open (N/O) contact, designed for front mounting under ABB's modular pilot devices.
Basic Product Information
- Front mounting, snap-on modular design
- Silver (Ag) contacts with self-cleaning action
- Screw-clamp terminals with 0.9 N·m tightening torque
- Rated operational voltage up to 690 V, thermal current 10 A
- Mechanical durability of 10 million operations
- Wide operating temperature range of -25 to +70 °C
- Single contact block with 1 normally open (N/O) contact
Technical Specifications
Version & Model Difference
The MCB-10 provides one normally open (N/O) contact and is the counterpart to the MCB-01, which provides one normally closed (N/C) contact. Both are single blocks that require a separate holder such as the MCBH-00 when mounted behind an operator. The genuine ABB order code is 1SFA611610R1001 - confirm this exact code when ordering, as the block ships without a holder.
Application Scenarios
- Industrial control panels and machinery
- Motor control centres (MCCs)
- Signalling, indication and interlock circuits
- Process control, HVAC and building automation panels
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Frequently Asked Questions
What contact configuration does the ABB MCB-10 have?
It is a single contact block with one normally open (N/O) contact and no normally closed contact.
Does the MCB-10 come with a holder?
No. It is supplied without a holder; a separate holder such as the MCBH-00 is needed for front mounting behind an operator.
What are the electrical ratings of the MCB-10?
It is rated up to 690 V, with a 10 A thermal current and 6 kV impulse withstand voltage, using screw-clamp terminals rated IP20.
What is the order code?
The ABB order code for the MCB-10 1 N/O contact block is 1SFA611610R1001.
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