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MTL4514 Switch/ Proximity Detector Interface 1-Channel, Line Fault Detection, Phase Revers

Categories MTL4500 Series Safety Barriers
Place of Origin: UK
Brand Name: MTL
Certification: CE
Model Number: MTL4514
MOQ: 10 Pcs
Packaging Details: carton
Delivery Time: approx. 4 weeks
Payment Terms: T/T payment
Supply Ability: 300 pcs
Price: according to the purchase quantity
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    MTL4514 Switch/ Proximity Detector Interface 1-Channel, Line Fault Detection, Phase Revers

    MTL4514 Switch/ Proximity Detector Interface 1-Channel, Line Fault Detection, Phase Reversal

    MTL4514 enables a safe–area load to be controlled, through a relay, by a proximity detector or switch located in a

    hazardous area. Line faults are signalled through a separate relay and indicated on the top of the module. Switches are

    provided to select phase reversal and to enable the line fault detection.


    See also common specification

    Number of channels


    Location of switch

    Zone 0, IIC, T6 hazardous area

    Div.1, Group A, hazardous location

    Location of proximity detector

    Zone 0, IIC, T4–6 hazardous area, if suitably certified

    Div.1, Group A, hazardous location

    Hazardous–area inputs

    Inputs conforming to BS EN60947–5–6:2001 standards for

    Proximity detectors (NAMUR)

    Voltage applied to sensor

    7 to 9V dc from 1kΩ ±10%

    Input/output characteristics

    Normal phase

    Outputs closed if input > 2.1mA (< 2kΩ in input circuit)

    Outputs open if input < 1.2mA (> 10kΩ in input circuit)

    Hysteresis: 200µA (650Ω) nominal

    Line fault detection (LFD) (when selected)

    User-selectable via switches on the side of the unit. Line faults are indicated by an LED. Line fault relay is energised and channel output relay de-energised if input line-fault detected

    Open-circuit alarm on if Iin

    < 50µA

    Open-circuit alarm off if Iin

    > 250µA

    Short-circuit alarm on if Rin

    < 100Ω

    Short-circuit alarm off if Rin

    > 360Ω

    Note: Resistors must be fitted when using the LFD facility with a contact input

    500Ω to 1kΩ in series with switch

    20kΩ to 25kΩ in parallel with switch

    Safe-area output

    Channel: Single pole relay with changeover contacts

    LFD: Single pole relay with changeover contacts

    Note: reactive loads must be adequately suppressed

    Functional Safety Management (FSM)

    Many MTL products are certified as safe for use in hazardous areas; that is places where explosive material may be present. The products are designed and certified to show that they are incapable of igniting the gas or dust and causing fire or explosion.

    Another type of safety is called Functional Safety, which applies when products are used in safety and protection systems, in which a failure may mean that a protective system will not operate as it should. MTL products have been used in safety systems for some time, but there are increasing requirements to demonstrate an adequate level of functional safety, especially after the Buncefield, Texas City and Deepwater Horizon accidents. More and more, customers are demanding that products they use in safety systems meet the requirements of the second edition of the IEC 61508 Functional Safety standard, and they require evidence to show that they do. This is to enable the use of our products within instrumentation loops that are designed to achieve a specific Safety Integrity Level (SIL).

    When MTL designs a product in the expectation that it will be used in functional safety-related systems, both the design process and the product needs to comply with IEC 61508:2010.

    MTL has chosen to obtain Functional Safety Management (FSM) certification for the company. FSM means that MTL has the necessary processes and competence to design products according to IEC 61508:2010. Certification means that a notified body is ensuring that our processes are correct and that we are working to them. Together, FSM Certification gives our customers confidence in the company and the use of our products for functional safety.

    Contact E-mail:;

    Contact Person: Mr. Steven

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