Wireless E-stop

Wireless Radio Remote Control Emergency Shutdown System

    • A wireless, portable solution that significantly increases the safety at the workplace
    • Easy to connect in series to the existing emergency stop circuit or safety PLC
    • Performance Level: NEN-EN-ISO 13849-1 (PLc)
    • Rechargeable with Li-ion battery 50 hours use
    • Double safety relays with forcibly guided contacts
    • Transmitter/receiver with unique 56-bit ID Safety Code
    • Range of up to 700 m in free field
    • Convenient belt-clip for attachment
    • Easy to operate with working gloves



Indus/Gemini 1S.   A conventional hard-wired emergency stop is usually mounted on the machine. In an awkward position, away from the machine or in a situation where the mechanic is stuck, it is impossible for him to reach the emergency stop. This can have fatal consequences. A portable, wireless emergency stop like the Tyro Indus Gemini is the answer!


Portable, wireless emergency stop button Indus Gemini

People often think that having an emergency stop hardwired minimizes the risk of a failure and guarantees 100% safety to the mechanic. From a technical point of view, the wired emergency stop seems absolutely safe. But is that always the case?

The Indus 1S is even safer now

The Indus 1S is completely new. In addition to an improved radio protocol with the chance of interference from other transmitters drastically reduced, the Indus1 now works via narrowband 868 MHz. Furthermore the range has been improved to 700 meters in open field and Tyro has gone a step further in eliminating all possible risks by providing two emergency stop relays in the system. The system is provided with an EC type-examination certification and in compliance to the machine directives with Performance Level C (PL c). The Indus 1S cannot be combined with the first series Indus/Gemini.

Usage time and charging

The Indus 1S has a usage life of 50 hours continuous transmitting. When the wireless emergency stop is charging the system becomes non active. The transmitter is equipped with a Lithium-ion (Li-ion) battery 1950 mAh. Charging is best done in a temperature between 10°C and 45°C. The transmitter can however be used at temperatures between 0°C and 60°C.

The technical operation of the wireless emergency stop

The transmitter with emergency stop sends orders to the receiver as soon as the remote control is switched on. Activating the emergency stop is done simply by pulling up the emergency stop in a small circular motion. As soon as the transmitter is beyond the range of the receiver, while charging, or when the emergency stop is pressed the correct amount of orders do not come in to the receiver and the receiver will go into emergency stop. The emergency stop button with Performance Level c makes it possible to combine with 1 transmitter with 1 receiver.

Is wireless safe?

Are the situations in which a mechanic works for the maintenance and failures allow him to reach the emergency stop. Can he press the emergency stop button in case of life threatening situations? No, not always! In situations where the mechanic is away from the machine or is stuck, it is impossible for him to reach the hard-wired emergency stop on the machine. This can have fatal consequences for him.

Gain valuable seconds

The fixed wired emergency stop is usually mounted on the machine. In an awkward position, distance or entrapment the mechanic cannot reach the mounted emergency stop, with all its consequences. With the Indus 1S Gemini wireless emergency stop you anticipate these risks and save you valuable – life-saving – seconds.

Sturdy, light-weight and compact size

The compact transmitter with the mushroom-shaped emergency stop button can easily be attached to the belt. The Tyro Indus 1S Gemini: safety and functionality at its best!


Reaction time 500mS
Operating range up to 700 in the open field
Accupack transmitter Li-Ion 2350 mAh
Charging time approx 5 hours
Operating time approx 50 hours uninterruped use
Temperature range 0°C to 60°C
Charging temperature 10°C to 45°C
Charger 230V charger or 12V/24V charging cord
Protection rating IP 65 Transmitter, IP44 Receiver
Power supply receiver 10 - 30 Vdc or 230 Vac version available
Dimensions transmitter (L x W x H) 120 x 60 x 30 mm (4.7 x 2.4 x 1.2 inch)
Frequency 868 Mhz
Dimensions receiver (L x W x H) 160 x 150 x 60 mm (6.3 x 5.9 x 2.3 inch)
Weight transmitter 189 g (6.7 oz)
Function keys 1 mushroom head E-stop switch
Weight receiver 508 g (17.9 oz)
ID Safety code 56 bit
Certification NEN-EN-ISO 13849-1 (Performance Level: C), CE, EMC, R&TTE


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