• RS Stock No. 628-0527
  • Manufacturer Song Chuan
  • Mfr. Part No. SCLD-W-B-L-4PDT-C 24VAC
Song Chuan
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Product Details

Power SCLD Series

5A general purpose & 4PDT power relays
AC & DC coil configurations are both available in the range
Pilot light, diode and manual operator options are available as well

Selection Guide
SCLD-W-B-4PDT-C 4PDT, quick terminal + contact barrier, straight cover
SCLD-W-B-L-4PDT-C 4PDT, quick terminal + contact barrier, pilot light, straight cover
SCLD-W-B-D-4PDT-C 4PDT, quick terminal + contact barrier, diode, straight cover
SCLD-W-B-LM-4PDT-C 4PDT, quick terminal + contact barrier, pilot light & manual operator, strt. cover
Contact rating Resistive Load: 5A 28VDC
  General Use: 5A 250VAC
Contact resistance 50mΩ max
Operate/release time 25/25ms max
Coil power 0.9W (DC coil) 1.2VA (AC coil)
Insulation resistance 100MΩ min (DC 500V)
Dielectric strength Between open contact: AC 500V, 50//60 Hz 1 min
  Between contact circuits: AC 1500V, 50//60 Hz 1 min
  Between contact and coil: AC 1500V, 50//60 Hz 1 min
Vibration resistance Operating Extremes: 10-55 Hz, amplitude 1.0 mm
  Damage Limits: 10-55 Hz, amplitude 1.0mm
Shock resistance Operating Extremes: 20G
  Damage Limits: 100G
Life expectancy Mechanical: 10,000,000 operations (frequency 18,000 operations/hr)
  Electrical: 100,000 operations (frequency 1800 operations/hr)
Operating ambient temperature -25 → 70 deg C (no freezing)
Weight Approx 35g



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Coil Voltage24 V ac
Contact Configuration4PDT
Mounting TypePCB Mount
Switching Current5 A
Terminal TypeQuick Connect
Coil Resistance160 Ω
Dimensions27.5 x 21.5 x 41.5mm
Contact MaterialSilver Alloy
Operating Temperature Range-25 → +70°C
Minimum Operating Temperature-25°C
Maximum Operating Temperature+70°C
Coil Power1.2W
Select all
Discontinued product
Product overview and Technical data sheets
RoHS Status: Not Applicable
  • RS Components

    Statement of conformity

    This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
    RS Stock No. 628-0527
    Name Relay,plug-in,4PDT,5A,SCLD,24V
    Manufacturer/Brand Name Song Chuan
    Mfr. Part No. SCLD-W-B-L-4PDT-C 24VAC
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Jan 16, 2018
    RS Components Ltd, Suite 1601, Level 16, Tower 1, Kowloon Commerce Centre, 51 Kwai Cheong Road, Kwai Chung, Hong Kong
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