Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MPEK4-11R Emergency stop
£30.21
Why Choose the ABB 1SFA611525R1101 MPEK4-11R Emergency Stop?
The ABB 1SFA611525R1101, also known as the MPEK4-11R, is a reliable key release emergency stop actuator designed for industrial machinery safety, automation control panels and operator interfaces. Part of ABB’s trusted Modular Plastic Range, this emergency stop device provides controlled shutdown capability for demanding industrial applications.
Featuring a highly visible 40 mm red mushroom actuator with a key release reset mechanism, the MPEK4-11R allows authorised personnel to reset emergency stop functions while helping prevent accidental machine restart. The unit is supplied as an actuator head without contact blocks, allowing flexible configuration with compatible ABB contact blocks.
Designed for ABB 22 mm modular pilot device systems, the 1SFA611525R1101 provides robust construction, high mechanical durability and reliable operation in industrial environments. Its non-illuminated design and IP66 front protection make it suitable for machine safety applications where fast emergency access is required.
Key Advantages
- Reliable emergency stop actuator for industrial safety systems.
- 40 mm red mushroom head for high visibility and rapid operation.
- Key release reset function for controlled restart procedures.
- IP66 front protection for harsh industrial environments.
- Compatible with ABB modular plastic pilot device contact blocks.
- High mechanical durability for long service life.
Key Features
- ABB Modular Plastic Range emergency stop actuator.
- Model: MPEK4-11R.
- 40 mm mushroom actuator.
- Red actuator colour.
- Key release reset mechanism.
- Non-illuminated design.
- No contact block included.
- 22 mm panel mounting system.
- Front protection rating: IP66.
- Mechanical durability: 100,000 operations.
Reliable Emergency Shutdown for Industrial Machinery
The ABB 1SFA611525R1101 MPEK4-11R provides a dependable emergency shutdown interface for industrial equipment, allowing operators to quickly stop machinery during unsafe conditions. When combined with suitable ABB contact blocks, it creates a complete emergency stop control solution.
The modular ABB design allows easy installation and configuration while supporting reliable operation, reduced maintenance requirements and flexible machine safety integration.
Typical Applications
- Industrial machine emergency stop stations.
- Automation control panels.
- Production line safety systems.
- Machine tools and manufacturing equipment.
- OEM machinery safety circuits.
- Industrial operator control stations.
Technical Specifications
Tick the specs you need, then view products that match.
| Illumination | Non-illuminated | |
|---|---|---|
| Product Series | ABB Modular | |
| Mounting Diameter | 22 mm | |
| Device Type | Emergency Stop | |
| Colour | Red | |
| Manufacturer | ABB | |
| Product type | Emergency stop actuator | |
| Model | 1SFA611525R1101 | |
| Alternate model | MPEK4-11R | |
| Actuator type | Mushroom pushbutton | |
| Actuator diameter | 40 mm | |
| Colour | Red | |
| Reset method | Key release | |
| Illumination | Non-illuminated | |
| Contact blocks | Sold separately | |
| Mounting diameter | 22 mm | |
| Front protection rating | IP66 | |
| NEMA rating | Type 1, 12, 13, 3R, 4, 4X | |
| Mechanical durability | 100,000 cycles | |
| Operating temperature | -25°C to +85°C | |
| Dimensions (W × H × D) | Approx. 40 × 40 × 68 mm | |
| Weight | Approx. 0.065 kg | |
| HS Code | 85365080 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the ABB 1SFA611525R1101 used for?
The ABB 1SFA611525R1101 is an emergency stop actuator used for manual machine shutdown and industrial safety applications.
What release mechanism does the MPEK4-11R use?
The MPEK4-11R uses a key release mechanism to reset the emergency stop function.
Does the ABB MPEK4-11R include a contact block?
No, the actuator is supplied without a contact block. Compatible ABB contact blocks must be selected separately.
What size is the emergency stop mushroom head?
The MPEK4-11R features a highly visible 40 mm mushroom actuator.
What protection rating does this emergency stop provide?
The actuator provides an IP66 front protection rating when correctly installed.
Trusted for Industrial Safety Applications
ABB emergency stop devices provide reliable machine safety solutions with flexible modular designs for industrial automation and control systems worldwide.
