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    Part number
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    1. Home/
    2. All Categories/
    3. Electromechanical/
    4. Relays, Contactors & Solenoids/
    5. CT5S300 Littelfuse

    CT5S300 [Littelfuse]

    CT5S300
    CT5S300

    Part No:

    CT5S300

    Category:

    Relays, Contactors & Solenoids

    Manufacturer:

    Littelfuse

    Description:

    The CT Series combines a delay-on-make and delay-on-break time delay into one unit and may be used to control fan delays in heating and/or cooling equipment.

    Datasheet:

    Product FAQ

    1. Is CT5S300 available for RFQ?

    Yes. CT5S300 by Littelfuse is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for CT5S300?

    Pricing for CT5S300 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of CT5S300?

    CT5S300 is a Littelfuse Relays, Contactors & Solenoids with Thermostat Anticipator Resistor: ≥ 3000Ω and Tolerance Factory Calibration: ±20%. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for CT5S300?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can CT5S300 be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to CT5S300?

    Yes. If CT5S300 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Littelfuse Relays, Contactors & Solenoids parts or compatible alternatives.

    RFQ

    Part Number:

    CT5S300

    Manufacturer:

    Littelfuse

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Insulation Resistance
    ≥ 100MΩ
    Operating Humidity
    95% relative, non-condensing
    Operating Temperature
    -40°C ~ 70°C
    Weight
    2.4 oz (68 g)
    Storage Temperature
    -40°C ~ 85°C
    Ac Line Frequency
    50/60Hz
    Dielectric Breakdown
    ≥ 2000V rms
    Dimensions Depth
    30.7 mm
    Dimensions Height
    50.8 mm
    Dimensions Width
    50.8 mm
    Mounting Type
    Surface mount with one #10 screw
    Output Form
    No
    Output Type
    Solid state
    Rating Inrush (AT 55°C)
    5A at 55°C
    Rating Steady State
    0.75A
    Recycle Time
    ≤ 300ms
    Repeat Accuracy
    ±5%
    Supply Voltage
    24VAC
    Supply Voltage Tolerance
    ±15%
    Terminations
    0.25 in. (6.35 mm) male quick connect
    Thermostat Anticipator Resistor
    ≥ 3000Ω
    Tolerance Factory Calibration
    ±20%
    Voltage Drop
    1.25V

    Products Detail

    The CT Series is a dedicated HVAC time delay relay that integrates both delay-on-make and delay-on-break functions in a single unit. It operates on 24VAC control circuits and is designed for fan control in heating and cooling systems. Key features include solid state technology, full encapsulation for protection against shock, vibration, and humidity, and interconnectability with other CT modules for load sequencing. It eliminates moving parts, simplifies wiring, and enhances system efficiency.

    Key Features

    • Delay-on-Make and Delay-on-Break in one unit
    • Totally solid state and encapsulated
    • Interconnectability with other CT modules
    • Simplifies wiring and installation
    • No moving parts to arc and wear out
    • Protects against shock, vibration, and humidity
    • Optimizes efficiency of heating and cooling systems

    Application scenarios

    • HVAC
    • heating
    • cooling
    • load sequencing

    Documents

    Datasheets:

    CT Series Datasheet
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method
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