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  • New item   Wireless crane remote control | 8 buttons + START/STOP | 2 speeds | 310/410 MHz | 110/220 V AC | IP65 | ES-24-8D
    New item   Wireless crane remote control | 8 buttons + START/STOP | 2 speeds | 310/410 MHz | 110/220 V AC | IP65 | ES-24-8D 1
    New item   Wireless crane remote control | 8 buttons + START/STOP | 2 speeds | 310/410 MHz | 110/220 V AC | IP65 | ES-24-8D 2

    Wireless crane remote control | 8 buttons + START/STOP | 2 speeds | 310/410 MHz | 110/220 V AC | IP65 | ES-24-8D

    Code: ES-24-8D
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    Price 165.24 € VAT incl.
    ( 136.57 € VAT excl. )
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    8 two-step pushbutton radio remote for three motion axes (up/down, east/west, south/north) plus R1/R2 functions. The receiver comes pre-wired, with a MAINLINE ON indicator.

  • Product description

    Wireless crane remote control ES-24-8D – 8 buttons, 2 speeds

    The ES-24-8D is an industrial radio remote for operating a crane from a safe distance. When a button is pressed, the transmitter sends a coded command, the receiver relays energise the matching contactor coils, and the contactors switch the motors. Control range is up to ~150 m in open space.

    Key point:
    The classic overhead crane set: hoist, bridge and trolley, each with two speeds, plus two R1/R2 functions. The MAINLINE ON indicator on the receiver shows at once whether the main contactor is energised.
    Buttons
    8 + START/STOP
    Speeds
    2
    Radio
    310/410 MHz, up to ~150 m
    Receiver
    110/220 V AC, relays 10 A

    How it works

    The receiver is mounted in or next to the crane control cabinet. Its supply voltage must match the contactor coil control circuit voltage (110/220 V AC), and the relay outputs are wired to the direction and speed contactor coils. The receiver is supplied pre-wired, which speeds up cabinet wiring.

    Turning the key and pressing START energises the MAIN relay and the main contactor KM0. Pressing the mushroom STOP or losing the radio link must drop out KM0 and stop the crane – this is an EN 60204-32 requirement; verify it during commissioning. Two-step button: step 1 – slow speed, step 2 – fast speed.

    The operator stands where the load is best visible instead of next to a pendant. Slow speed helps set the load down precisely, fast speed saves time on travel.

    Why choose the ES-24-8D?
    One configuration covers all typical overhead crane motions with slow and fast speed. The pre-wired receiver and MAINLINE ON indicator shorten installation and fault finding.

    Technical specifications

    Product type Wireless crane remote control (transmitter + receiver)
    Model ES-24-8D
    Package contents Transmitter, receiver
    Buttons 8 two-step: up/down, east/west, south/north, R1/R2; START, removable mushroom STOP, key switch
    Speeds 2 (step 1 – slow, step 2 – fast)
    Radio frequency 310 MHz / 410 MHz (check if permitted in your country)
    Control range up to ~150 m in open space
    Receiver supply 110/220 V AC; options: 24/48/110/220 V AC, 12/24 V DC
    Receiver relay contacts 10 A, 250 V AC
    Security code 4.3 billion unique ID codes
    Transmitter power 2 × AA
    Button life up to 2 million cycles
    Receiver indicator MAINLINE ON
    Protection rating IP65
    Operating temperature −35…+75 °C
    Receiver dimensions / weight ~165 × 114 × 254 mm, 3.18 kg

    Main functions

    • Mushroom STOP – drops out main contactor KM0 and stops all motions
    • START and key switch – the remote cannot be switched on without the key
    • Two-step buttons – step 1 for slow, step 2 for fast speed
    • R1/R2 functions – for auxiliary devices: siren, lighting, magnet
    • 4.3 billion ID codes – the transmitter controls only its own receiver, neighbouring cranes do not interfere
    • 2 × AA power – batteries available anywhere
    • MAINLINE ON indicator – shows at once whether the main contactor is on
    • 10 A relays – for switching contactor coils

    How does it differ from similar models?

    • ES-24-8S – 8 buttons but 1 speed and a 24–380 V receiver – for single-speed motors.
    • ES-24-10D – 10 two-step buttons – more spare channels for auxiliary functions.
    • ES-F21-E2B-8 – A more compact 2-speed remote with a 230 V AC receiver.

    Where is it used?

    • Overhead cranes in production halls
    • Jib and wall-mounted cranes at workstations
    • Gantry cranes in warehouses and steel yards
    • Electric hoists and winches
    • Transfer carts and rail trolleys
    • Replacing old pendant controls with radio control

    Use by need

    For electricians
    Clear logic: relay → contactor coil, STOP → KM0. The existing crane circuit stays, only the control station changes.
    For manufacturers
    The operator works from a safe position with sight of the load – fewer impacts and less downtime.
    For construction / warehouse yards
    IP65 transmitter and control up to ~150 m – suitable for outdoor and unheated areas.

    Practical use

    If you are replacing a worn pendant on a 5 t overhead crane with 2-speed motors, then the ES-24-8D receiver relays take over the same contactor coils, R1/R2 can be used for e.g. a siren and lighting, and the pendant stays as backup control.

    Pros

    • Two-step buttons – precise set-down and fast travel
    • Key switch and START – protection against accidental start-up
    • 4.3 billion ID codes – several cranes in one hall
    • Button life up to 2 million cycles
    • IP65, −35…+75 °C – also for unheated areas

    Cons / limitations

    • 310/410 MHz is not an EU SRD band; for the EU market 433 MHz models such as ES-F23-BB are usually a better fit
    • 10 A relays are for the control circuit only – contactors are required
    • 2 speeds require a 2-speed motor or a frequency inverter; for a simple crane – ES-24-8S
    • The receiver weighs 3.18 kg – needs a solid mounting point

    Safety and installation notes

    • Receiver relays switch contactor coils only – motor current flows through contactors, not through the remote.
    • Wire the STOP / MAIN relay into the main contactor KM0 circuit: STOP and loss of the radio link must stop the crane (EN 60204-32).
    • Keep limit switches (SQ) and NC interlocks between opposite directions in the control circuit – the remote does not replace them.
    • The receiver supply voltage must match the control circuit voltage.
    • Wire the second-step relays to the fast-speed contactors or the frequency inverter speed inputs.
    • Before installation or repair, open the main isolator and lock it out (LOTO).

    Quick selection guide

    8 buttons
    2 speeds
    310/410 MHz
    IP65

    Check before ordering:

    • Contactor coil voltage = receiver supply voltage.
    • Check whether 310/410 MHz is permitted in your country.
    • How many directions, speeds and auxiliary functions your crane needs.

    FAQ

    Can the receiver switch a motor directly?
    No. The relays (10 A) are for the control circuit: they switch the contactor coils, and the contactors carry the motor current.
    Which receiver supply voltage should I choose?
    The same as the contactor coil circuit voltage. The base version is 110/220 V AC; other options are 24/48 V AC and 12/24 V DC.
    Is 310/410 MHz permitted in Europe?
    These are frequency versions for the US market; in the EU the 433 MHz band is most common. Check whether the frequency is permitted in your country before use.
    What happens if the radio link is lost?
    Under EN 60204-32 the crane must stop: the STOP/MAIN relay drops out main contactor KM0. Verify this during commissioning.
    How do the two speeds work?
    Each button has two steps: half-press – slow speed, full press – fast speed. A 2-speed motor or frequency inverter is required.
    What batteries does the transmitter use?
    2 × AA. Keep spares so the remote does not go flat mid-shift.

    ES-24-8D – 8 buttons, 2 speeds, R1/R2

    Suits a typical overhead crane with 2-speed motions. Check that the frequency is permitted and match the receiver supply to the control circuit.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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