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  • New item   Industrial crane pendant control station | 2 buttons | mechanical button interlock | 5 A | 230–500 V | IP56 | 1 speed | ESO2-12
    New item   Industrial crane pendant control station | 2 buttons | mechanical button interlock | 5 A | 230–500 V | IP56 | 1 speed | ESO2-12 1
    New item   Industrial crane pendant control station | 2 buttons | mechanical button interlock | 5 A | 230–500 V | IP56 | 1 speed | ESO2-12 2
    New item   Industrial crane pendant control station | 2 buttons | mechanical button interlock | 5 A | 230–500 V | IP56 | 1 speed | ESO2-12 3
    New item   Industrial crane pendant control station | 2 buttons | mechanical button interlock | 5 A | 230–500 V | IP56 | 1 speed | ESO2-12 4

    Industrial crane pendant control station | 2 buttons | mechanical button interlock | 5 A | 230–500 V | IP56 | 1 speed | ESO2-12

    Code: ESO2-12
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    Price 15.73 € VAT incl.
    ( 13.00 € VAT excl. )
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    ESO2-12 is a hand-held crane pendant control station with 2 spring-return buttons, designed for one-handed operation of hoists, small and medium cranes, and lifting mechanisms. The housing is impact-resistant plastic, coloured orange for good visibility in an industrial environment, IP56 protection class, so it suits dusty and damp workshop and warehouse conditions.

  • Product description

    Industrial crane pendant control station | 2 buttons | mechanical button interlock | 5 A | 230–500 V | IP56 | 1 speed | ESO2-12

    ESO2-12 is a hand-held crane pendant control station with 2 spring-return buttons, designed for one-handed operation of hoists, small and medium cranes, and lifting mechanisms. The housing is impact-resistant plastic, coloured orange for good visibility in an industrial environment, IP56 protection class, so it suits dusty and damp workshop and warehouse conditions.

    Main point:
    A single-speed hoist (up / down) does not need a complex control station with a display or multiple operating modes – it needs a reliable, rugged and safe two-button solution. ESO2-12 is designed exactly for that: spring-return (momentary) buttons automatically return to the initial position on release, and mechanical interlocking physically prevents pressing two opposing commands at the same time. This reduces the risk of a control error where the operator works by hand, not by screen.
    Number of buttons
    2
    Thermal current (Ith)
    5 A
    Rated insulation voltage (Ui)
    500 V
    Protection class
    IP56

    Operating principle

    The pendant is connected to the hoist's control circuit as a 2-phase direct-contact system: each button closes a separate contact pair that commands the corresponding direction contactor (up or down). The buttons operate on a spring-return (momentary) principle – the contact closes only while the button is held pressed, and releases it instantly returns to the initial, open position. This scheme prevents the mechanism from staying switched on without the operator's intent.

    Mechanical button interlocking is a design feature where opposing buttons, or buttons within the same function group, physically cannot be pressed at the same time. This eliminates the possibility of sending a contradictory command to the motor (e.g. up and down simultaneously), which could otherwise cause overload or mechanical damage. The AC-15 duty category confirms that the contacts are designed specifically for switching electromagnetic coils (contactor coils), not for direct motor switching.

    What makes ESO2-12 useful?
    It combines three things that often compete with each other in crane control – simplicity, safety and resistance to the environment. The operator doesn't need to learn menus or modes, mechanical interlocking guards against a mistaken command, and the IP56 housing withstands dust and water splashes without an additional protective box.

    Technical specifications

    Model ESO2-12
    Product type Crane pendant control station
    Number of buttons 2
    Control type 1 speed
    Contacts 2-phase direct-contact system
    Operation Spring-return (momentary)
    Button interlock Mechanical – opposing or same-group buttons cannot be pressed at the same time
    Rated insulation voltage (Ui) 500 V
    Thermal current (Ith) 5 A
    Duty category AC-15
    Power 220 V – 2.2 kW, 500 V – 2.2 kW
    Protection class IP56
    Operating temperature -25 °C … +40 °C (typical)
    Housing Impact-resistant plastic
    Colour Orange (good visibility in the work environment)
    Dimensions 166×68×74 mm

    Key features

    • Simple bidirectional control – up / down from one pendant, ideal for hoisting mechanisms.
    • Spring-return buttons – automatic return to the initial position on release ensures the mechanism does not stay switched on unattended.
    • Mechanical button interlock – physically prevents a contradictory command to opposing or same-group functions.
    • IP56 protection – resistance to dust and water splashes from any direction.
    • Ergonomic housing – comfortable to hold and operate with one hand over a long working period.
    • Bright orange colour – good visibility in an industrial environment, reducing the risk of it being lost or of a collision.

    Where is it used?

    • Hoist control in production and storage areas
    • Control of small and medium cranes
    • Lifting mechanisms of storage systems
    • Control system installation in new projects
    • Upgrading or repairing existing equipment
    • Quick deployment of a control solution without extra design
    • Workshop lifting equipment
    • Garage lifting mechanisms

    Use by need

    For home users.
    A workshop or garage hoist doesn't need an industrial control station with extra functions – ESO2-12 gives simple up/down control with spring-return safety, suitable for irregular use.
    For businesses and industry.
    In a fleet of hoists and small cranes, the pendant standardises control across several mechanisms – the operator doesn't need to learn different interfaces, and mechanical interlocking reduces the risk of control errors during intensive work.
    For electricians / engineers.
    Before installation, check the actual current and voltage of the controlled mechanism – if the load (contactor coil or direct circuit) approaches or exceeds the 5 A limit, the pendant should be connected via an additional contactor or relay, not directly to the motor.

    Practical application

    A 1-tonne lifting-capacity hoist with a single-speed motor is installed in a warehouse zone, controlled via contactors. The ESO2-12 pendant is connected into the contactor coil circuit: one button sends the command to the lifting contactor, the other to the lowering one. Since the coil current is well below the 5 A Ith limit, the pendant works directly without additional protection, and the mechanical interlock prevents the operator from accidentally issuing both commands at the same time.

    Pros

    • Simple and reliable control – no unnecessary functions, fewer points of failure.
    • Spring-return mechanism – safe use, the button returns by itself on release.
    • IP56 protection – suits demanding dust and moisture conditions.
    • Compact and light – doesn't tire the operator's hand over a long period.
    • Good visibility – the orange colour stands out in an industrial environment.
    • Suits equipment up to 2.2 kW – covers most typical hoists and small cranes.

    Cons / limitations

    • Only 1-speed control – no smooth (two-speed) start/stop function.
    • No emergency STOP button – an emergency stop function must be provided separately.
    • Limited thermal current (5 A) – a higher load requires an additional contactor or relay.
    • Simple functionality – no additional control modes or signalling outputs.
    • Only 2 buttons – suits one lifting direction (up/down), not complex (multi-axis) control.

    Safety and installation notes

    • Before connecting, check that the controlled circuit's current does not exceed the 5 A thermal limit – otherwise use a contactor.
    • Since there is no emergency STOP button, provide a separate emergency stop means in accordance with workplace safety requirements.
    • Regularly check the cable entry and housing sealing – IP56 protection applies only to an undamaged housing.
    • Do not use the pendant for long periods in direct rain or submerged – IP56 protects against splashes, not immersion.
    • Make sure the mechanical interlock works flawlessly before each work shift.
    • Follow the lifting equipment manufacturer's and local workplace safety requirements regarding the mounting height and cable tension of the pendant.

    Quick selection guide

    Number of buttons
    2
    Thermal current (Ith)
    5 A
    Rated insulation voltage (Ui)
    500 V
    Protection class
    IP56
    Suitable when you need to:
    • simple, reliable two-button control for a single-speed hoisting mechanism;
    • a pendant resistant to dust and moisture (IP56) for workshop or warehouse conditions;
    • quickly replace or upgrade an existing crane/hoist control pendant.
    Check before use:
    • whether the controlled mechanism's current does not exceed 5 A;
    • whether an emergency STOP is required – this model does not have one;
    • whether single-speed control is enough, or a smooth start is needed;
    • whether the mains voltage matches the 230–500 V range.
    Important reminder:
    The pendant controls the circuit directly up to the 5 A limit – for a higher load or direct motor switching a contactor is required, and an emergency stop function must be provided separately.

    FAQ

    Does this pendant suit all hoists?
    It suits most single-speed hoists and cranes, but the controlled circuit's electrical parameters must be checked before installation.
    What does spring-return (momentary) operation mean?
    The button operates only while held pressed – on release it automatically returns to the initial position, ensuring the mechanism does not stay switched on unattended.
    Can it be used outdoors?
    IP56 allows use in dusty and damp environments, but prolonged direct rain exposure should be avoided.
    Can it be connected directly to the motor?
    It is recommended to connect via a contactor or relay, especially if the load is higher than the permitted 5 A current.
    What is the mechanical button interlock for?
    It physically prevents opposing or same-function-group buttons from being pressed at the same time, reducing the risk of a mistaken command.
    Does the pendant have an emergency stop button?
    No, this model has no emergency STOP button – if one is required, provide it as a separate element in the control circuit.

    Industrial crane pendant control station | 2 buttons

    ESO2-12 is an industrial crane pendant control station with 2 spring-return buttons and mechanical button interlocking, 5 A thermal current, 500 V insulation voltage, IP56 protection class. Designed for single-speed control of hoists, small and medium cranes and storage lifting mechanisms in industry, workshops and garages, where simplicity, reliability and resistance to the work environment matter most.

    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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