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    Contactor Overload Relays

    All electric motors have a lifespan, and to keep them running efficiently and safely they must be protected. One of the main causes of failure is electrical overload, sometimes called overcurrent. When a motor draws more current than it is designed to handle it causes the temperature to build-up resulting in overheating. This damages motor windings and coils. It is important to protect the motor and its circuit, and this is where the use of contactor overload relays can help.RS offer an extensive range of high-quality contactor overload relays from leading industry brands including Schneider Electric, Siemens, ABB, Eaton, Lovato, and Rockwell Automation.

    What is overload protection?

    Overload is where a motor draws a high current above its rated value for an extended amount of time. Overload causes overheating of the motor causing damage. To prevent this from happening devices such as contactor relays are specifically designed for industrial control motor protection. They are used with contactors as part of a motor starter or in a control panel or centre.

    What are the different types of contactor overload relays?

    The motor protection devices can be classified into two main types which are thermal types and electronic types.Thermal overload relaysUtilise a bi-metallic plate located near a heating element. When excessive current is passed through the heating element N/C (Normally Closed) contacts switch over and opens contacts. This interrupts power from flowing to the contactor's control circuit. Thermal overloads usually offer an adjustable current range as well as a manual or automatic reset option.Electronic RelaysElectronic overload relays don't have a bi-metallic mechanism, Instead, they work by using components such as temperature sensors to measure the load current. They are generally more accurate than thermal devices and they usually have a wider current range, a selectable trip class provides enhanced trip protection against single phasing against the motor.

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    Due to your selection of other attributes some options are not available - amend or clear filters to allow selection of these options.
    Due to your selection of other attributes some options are not available - amend or clear filters to allow selection of these options.
    Due to your selection of other attributes some options are not available - amend or clear filters to allow selection of these options.
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    104 Products
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    FLC Motor Rating
    Contact Current Rating
    Control Voltage
    Range
    Pole Configuration
    Contact Voltage Rating
    Series
    Mounting Style
    Power Rating
    Normal State Configuration
    Reset Method
    Terminal Type
    Number Of Auxiliary Contacts
    Width
    Depth
    Length
    Maximum Operating Temperature
    Minimum Operating Temperature
    Better World Claim
    Better World Product
    Better World Verification
    Operating Temperature Range
    제품 세부 사항
    단가
    제조사
    FLC Motor Rating
    Contact Current Rating
    Control Voltage
    Range
    Pole Configuration
    Contact Voltage Rating
    Series
    Mounting Style
    Power Rating
    Normal State Configuration
    Reset Method
    Terminal Type
    Number Of Auxiliary Contacts
    Width
    Depth
    Length
    Maximum Operating Temperature
    Minimum Operating Temperature
    Better World Claim
    Better World Product
    Better World Verification
    Operating Temperature Range
    N
    • RS 제품 번호 250-411
    • 제조사 부품 번호 193-ESM-IG-200A-P
    개당
    ₩739,558.16
    Allen Bradley
    -
    200 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-412
    • 제조사 부품 번호 193-ESM-IG-200A-T
    개당
    ₩790,318.16
    Allen Bradley
    -
    200 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-342
    • 제조사 부품 번호 592-ESM-I-200A-S4
    개당
    ₩690,599.20
    Allen Bradley
    -
    200 A
    -
    E300
    -
    -
    592 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-421
    • 제조사 부품 번호 193-ESM-IG-60A-E3T
    개당
    ₩494,851.72
    Allen Bradley
    -
    60 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-291
    • 제조사 부품 번호 193-ESM-I-200A-D180
    개당
    ₩690,599.20
    Allen Bradley
    -
    200 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    개당
    ₩132,712.96
    Allen Bradley
    0.75 → 1.0 A
    2 mA
    15 V
    193-T1AA
    -
    -
    193-T1
    -
    12 W
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-273
    • 제조사 부품 번호 193-EIO-43-240
    개당
    ₩690,599.20
    Allen Bradley
    -
    -
    240 V
    E300
    -
    -
    193-EIO
    -
    6 W
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-423
    • 제조사 부품 번호 193-ESM-IG-60A-P
    개당
    ₩445,928.48
    Allen Bradley
    -
    60 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-298
    • 제조사 부품 번호 193-ESM-I-30A-C23
    개당
    ₩248,327.32
    Allen Bradley
    -
    30 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-344
    • 제조사 부품 번호 592-ESM-I-30A-S2
    개당
    ₩276,337.44
    Allen Bradley
    -
    30 A
    -
    E300
    -
    -
    592 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-419
    • 제조사 부품 번호 193-ESM-IG-30A-T
    개당
    ₩346,209.52
    Allen Bradley
    -
    30 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-278
    • 제조사 부품 번호 193-EIO-CM-C55
    개당
    ₩24,321.56
    Allen Bradley
    -
    -
    -
    E300
    -
    -
    193-EIO
    -
    6 W
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-414
    • 제조사 부품 번호 193-ESM-IG-30A-C23
    개당
    ₩346,209.52
    Allen Bradley
    -
    30 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-304
    • 제조사 부품 번호 193-ESM-VIG-200A-D180
    개당
    ₩1,083,949.72
    Allen Bradley
    -
    200 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    개당
    ₩209,020.28
    Allen Bradley
    17 → 25 A
    2 mA
    15 V
    193-T1AA
    -
    -
    193-T1
    -
    12 W
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-345
    • 제조사 부품 번호 592-ESM-I-60A-S2
    개당
    ₩428,950.20
    Allen Bradley
    -
    60 A
    -
    E300
    -
    -
    592 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    개당
    ₩132,712.96
    Allen Bradley
    0.9 → 1.3 A
    2 mA
    15 V
    193-T1AA
    -
    -
    193-T1
    -
    12 W
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-433
    • 제조사 부품 번호 193-ESM-VIG-100A-E3T
    개당
    ₩938,943.44
    Allen Bradley
    -
    100 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    개당
    ₩132,712.96
    Allen Bradley
    0.10 → 0.16 A
    2 mA
    15 V
    193-T1AA
    -
    -
    193-T1
    -
    6 W
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    N
    • RS 제품 번호 250-424
    • 제조사 부품 번호 193-ESM-IG-60A-T
    개당
    ₩494,851.72
    Allen Bradley
    -
    60 A
    -
    E300
    -
    -
    193 ESM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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