IK-testen (Impact Protection Class)
IK testing is performed for various reasons, all aimed at ensuring the quality, durability, and safety of enclosures and equipment.
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Types of Vertical Hammer testing:
- Standard document: IEC 62262:2002 - Class IK10
- Test standard: IEC 60068-2-75:2014, Section 7 – Method Ehc (Vertical Hammer)
- Impact energy: 20 joules (±5%)
- Equivalent weight: 5 kg (±2%)
- Drop height: 400 mm (±1%)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional inspections as prescribed in the relevant specification. Acceptance criteria are defined in the product standard.
- Standard document: IEC 62262:2002 - Class IK09
- Test standard: IEC 60068-2-75:2014, Section 7 – Method Ehc (Vertical Hammer)
- Impact energy: 10 joules (±5%)
- Equivalent weight: 5 kg (±2%)
- Drop height: 200 mm (±1%)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional inspections as prescribed in the relevant specification. Acceptance criteria are defined in the product standard.
- Standard document: IEC 62262:2002 - Class IK08
- Test standard: IEC 60068-2-75:2014, Section 7 – Method Ehc (Vertical Hammer)
- Impact energy: 5 joules (±5%)
- Equivalent weight: 1.7 kg (±2%)
- Drop height: 300 mm
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional inspections as prescribed in the relevant specification. Acceptance criteria are defined in the product standard.
- Standard document: IEC 62262:2002 - Class IK07
- Test standard: IEC 60068-2-75:2014, Section 7 – Method Ehc (Vertical Hammer)
- Impact energy: 2 joules (±5%)
- Equivalent weight: 0.5 kg (±2%)
- Drop height: 400 mm (±1%)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional inspections as prescribed in the relevant specification. Acceptance criteria are defined in the product standard.
- Standard document: IEC 62262:2002 - Class IK10+
- Test standard: IEC 60068-2-75:2014, Section 7 – Method Ehc (Vertical Hammer)
- Impact energy: 50 joules (±5%)
- Equivalent weight: 10 kg (±2%)
- Drop height: 500 mm (±1%)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional inspections as prescribed in the relevant specification. Acceptance criteria are defined in the product standard.
Types of Vertical Hammer
- Standard document: IEC 62262:2002 - Class IK06
- Test standard: IEC 60068-2-75:2014, Section 6 – Method Ehb (Spring Hammer)
- Impact energy: 1 joule (±10%)
- Equivalent weight: 0.25 kg (±2%)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional inspections as prescribed in the relevant specification. Acceptance criteria are defined in the product standard.
- Standard document: IEC 62262:2002 - Class IK05
- Test standard: IEC 60068-2-75:2014, Section 6 – Method Ehb (Spring Hammer)
- Impact energy: 0.7 joules (±10%)
- Spring compression: 24 mm (±1%) (Spring constant 2.75 x 10³ N/m)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional checks as prescribed in the relevant specification. Acceptance criteria are defined within the specification.
- Standard document: IEC 62262:2002 - Class IK04
- Test standard: IEC 60068-2-75:2014, Section 6 – Method Ehb (Spring Hammer)
- Impact energy: 0.5 joules (±10%)
- Spring compression: 20 mm (±1%) (Spring constant 2.75 x 10³ N/m)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test Result: The test object is subjected to visual, dimensional, and functional checks as prescribed in the relevant specification. Acceptance criteria are defined within the specification.
- Standard document: IEC 62262:2002 - Class IK03
- Test standard: IEC 60068-2-75:2014, Section 6 – Method Ehb (Spring Hammer)
- Impact energy: 0.35 joules (±10%)
- Spring compression: 17 mm (±1%) (Spring constant 2.75 x 10³ N/m)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional checks as prescribed in the relevant specification. Acceptance criteria are defined within the specification.
- Standard document: IEC 62262:2002 - Class IK02
- Test standard: IEC 60068-2-75:2014, Section 6 – Method Ehb (Spring Hammer)
- Impact energy: 0.2 joules (±10%)
- Spring compression: 13 mm (±1%) (Spring constant 2.75 x 10³ N/m)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional checks as prescribed in the relevant specification. Acceptance criteria are defined within the specification.
- Standard document: IEC 62262:2002 - Class IK01
- Test standard: IEC 60068-2-75:2014, Section 6 – Method Ehb (Spring Hammer)
- Impact energy: 0.14 joules (±10%)
- Spring compression: 10 mm (±1%) (Spring constant 2.75 x 10³ N/m)
- Number of impacts: 5 on each exposed surface unless otherwise specified in the relevant product standard. Maximum of 3 impacts in the same location.
- Mounting method: Normally mounted on a rigid support or placed against a rigid backing.
- Functionality: Pass/Fail (depending on the relevant product specification).
- Test result: The test object is subjected to visual, dimensional, and functional checks as prescribed in the relevant specification. Acceptance criteria are defined within the specification.
Additional information about IK-testen
IK testing is conducted to classify the degree of mechanical protection provided by enclosures against external impacts, as defined in the IEC 62262 standard. This standard provides a standardized classification, the IK rating, which indicates the level of impact resistance of an enclosure.
Key points about IK testing:
- Specifies the classification of protection grades against mechanical impacts.
- Applicable to equipment with a nominal voltage of up to 72.5 kV.
- Used in various applications, such as industrial machinery, electrical panels, and other enclosures.
- Mechanical impacts are simulated using specific impact hammers and test elements.
- These tests measure the enclosure's resistance to different types of strikes and forces.
- The IK rating ranges from IK00 (no protection) to IK10 (very high protection).
- Each level corresponds to a specific impact energy, expressed in joules.
- Examples of IK ratings:
- IK05: 0.7 joules
- IK07: 2 joules
- IK10: 20 joules
- Testing involves using a drop hammer or pendulum with a weight released from a standardized height to create the impact energy.
- Widely used in industrial sectors, construction projects, and electrical engineering.
- Helps assess the durability of equipment and determine its suitability for harsh or high-risk environments.
- Ensures that equipment can withstand damage caused by accidental impacts or vandalism.
- Guarantees reliability and safety in challenging working conditions.
IK-testing (Impact Protection Class)
IK-testing is carried out for various reasons, all aimed at ensuring the quality, durability and safety of enclosures and equipment.
Here are the main reasons why IK testing is crucial:
- Devices and their enclosures are often exposed to impacts, drops, and other mechanical stresses. IK testing simulates these scenarios to verify whether the enclosure can withstand such forces.
- This is especially critical in demanding environments such as factories, public spaces, or outdoor installations.
- Mechanical damage can lead to hazards such as exposed wiring, short circuits, or system failures.
- By testing impact resistance, the safety of users and the environment is guaranteed.
- Many industries require compliance with international standards like IEC 62262.
- Achieving a specific IK classification demonstrates that a product meets stringent requirements and is suitable for specific applications.
- Equipment with a higher IK classification is generally more durable and resistant to rough handling or unexpected incidents.
- This increases product lifespan and reduces maintenance and replacement costs.
- Each use case has different requirements for impact resistance:
- IK08 or higher: Suitable for public spaces where vandalism is a risk (e.g., parking garages or city lighting).
- IK10: Ideal for extreme conditions, such as industrial installations or sports facilities where heavy impacts are expected.
- IK testing proves that a product has been thoroughly tested and certified.
- This boosts customer and user confidence in the product's quality.
- A higher IK classification can provide a distinguishing advantage in the market, especially in industries where robustness is a critical factor.
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