ABB JSHD4-3-AD 2TLA019995R1400 is a three-position safety enabling switch with integrated LED indication, IP65 protection and an 8-pole M12 connection for controlled industrial machine operation.
The ABB JSHD4-3-AD is a professional three-position safety enabling switch designed for controlled machine operation during commissioning, programming, troubleshooting, adjustment and maintenance activities. As part of the ABB Jokab Safety JSHD4 series, it provides an ergonomic handheld safety interface for applications where personnel need to work within or close to safeguarded machine areas.
The JSHD4-3-AD uses a three-position enabling mechanism that permits machine operation while the actuator is deliberately maintained in its enabled middle position. Releasing the actuator or pressing it fully causes the enabling contacts to change state, allowing the connected safety system to stop hazardous machine movement.
This JSHD4-3 configuration features integrated LED indication with no additional top or front pushbuttons and an 8-pole M12 connection. Its compact modular construction, IP65 protection and dedicated enabling functionality make it suitable for industrial machinery, robotic cells and automated production equipment requiring controlled access during setup or servicing.
Three-position enabling devices are used where personnel require controlled access to potentially hazardous machine areas while selected machine movements remain available. The ABB JSHD4-3-AD enables the operator to deliberately maintain the required intermediate position, while releasing the actuator or pressing it fully causes the enabling contacts to change state so the associated safety system can stop hazardous movement.
The modular ABB JSHD4 platform provides configurations for different machine interfaces and connection requirements. The JSHD4-3-AD combines LED indication, a dedicated three-position enabling mechanism and an 8-pole M12 connection, providing a practical solution for machine builders and automation engineers requiring reliable operator enabling control without additional command pushbuttons.
| Manufacturer | ABB |
|---|---|
| Product range | ABB Jokab Safety |
| Series | JSHD4 |
| Model | JSHD4-3-AD |
| Manufacturer part number | 2TLA019995R1400 |
| Product type | Safety control enabling device |
| Operating principle | Three-position enabling switch |
| Indicators | Integrated LEDs |
| Additional pushbuttons | None |
| Connection | M12 connector |
| Number of connector poles | 8 |
| Protection rating | IP65 |
| Performance Level | Up to PL e |
| Safety category | Up to Category 4 according to ISO 13849-1 |
| Product net height | 117 mm |
| Product net width | 34 mm |
| Product net depth | 50 mm |
| Product net weight | approx. 0.311 kg |
| EAN | 7350024453485 |
The JSHD4-3-AD is a three-position enabling device used for controlled machine operation during activities such as commissioning, programming, adjustment, troubleshooting and maintenance.
The ABB manufacturer part number is 2TLA019995R1400.
The JSHD4-3-AD uses an 8-pole M12 connection for integration with the associated machine safety and control system.
Yes. The JSHD4-3-AD incorporates LED indication to provide visual status information to the operator.
No. This JSHD4-3 configuration has integrated LEDs but no additional top or front pushbuttons, providing a dedicated enabling-device arrangement.
The JSHD4 series can be incorporated into appropriately designed safety systems achieving up to Performance Level PL e and Category 4 according to ISO 13849-1.
ABB Jokab Safety JSHD4 enabling devices are designed for machine builders, automation engineers and maintenance professionals who require dependable operator-controlled safety functions during machine setup, programming, troubleshooting and servicing.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...