05903 LITTELFUSE | Alldatasheet
Document overview
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Technical content
Littelfuse.com © 2022 Littelfuse, Inc. 080822-A
Description
The 05903 Series 24V 100A High-Current Relay is a normally open, armature relay that can be used in heavy trucks and commerical vehicles. Glass-fiber-reinforced housing and a compact form help ensure safe use in automotive applications. Configurations of this cube relay are available with 12V and 24V coil voltage ratings. Web Resources Download 2D print, installation guide and technical resources at: littelfuse.com/05903
Applications
- Heavy trucks
- Commerical vehicles Features and Benefits
- Continuous current rating of 100A for high-current contact switching
- Glass-fiber-reinforced nylon housing enables use in automotive applications
- Main contacts are rated for 24V
- Contact voltage drop of ≤40mV @ 40A
- Normally open (also known as monostable) relay design
- Armature relay uses a single coil that pulls down on an armature to close the relay
- Coil voltage options include 12V and 24V
05903 SERIES
24V 100A HIGH-CURRENT CUBE-STYLE DC COIL RELAY 05903300 Specifications Max Voltage Rating (V DC): 24 Current Rating Continuous (A): 100 Coil Voltage Rating (V DC): 12, 24 Ingress Protection: IP 54 Operating Temperature (°C): -40 to +85 Electrical Diagram 30 85 86 87 05903300 & 05903500
Littelfuse.com © 2022 Littelfuse, Inc. 080822-A 24V 100A HIGH-CURRENT CUBE-STYLE DC COIL RELAY
Ordering Information
CURRENT (A) INTERMITTENT CURRENT VOLTAGE RATING MOUNTING COIL VOLTAGE (V DC) COIL TYPE AUX CONTACT POLARIZED SYSTEM NOMINAL (V DC) 05903300 100 200 12 SIDE MOUNT 12 Single No No 05903500 100 140 24 SIDE MOUNT 24 Single No No MAIN CONTACT Contact Arrangement SPST NO Rated Operating Voltage 12V DC Max Short Circuit Current 400A @ 24V DC Dielectric Withstand Voltage 1000V AC Insulation Resistence ≥500MΩ @ 500V DC Max Voltage Drop ≤40mV @ 40 A LIFE Electrical Life 6,000 Mechanical Life 100,000 OPERATE / RELEASE TIME Close (ms) 15 Release (ms) 10 ENVIRONMENTAL DATA Shock 3G Vibration 1~50Hz (freq.1~10Hz, amp;.25/f²; freq.10~50Hz, ampl.250/f²) Ambient Temperature -40°C~+85°C Weight (g) 96.1 COIL DATA Voltage Rating (V DC) 12 24 Pickup Voltage @ 25˚C (V DC MAX) 8.5 18 Dropout Voltage @ 25˚C (V DC MIN) 1.8 2 Hold Current (A) 0.5 0.15 Coil Watts @ 25˚C (W) 5.5 4 Note: Estimated Make Break Charts and Time Current Curves Coming Soon
Littelfuse.com © 2022 Littelfuse, Inc. 080822-A 24V 100A HIGH-CURRENT CUBE-STYLE DC COIL RELAY Application Notes & Definitions
- Be sure to use a washer to prevent screws from loosening. Tighten the screw so that the torque is in the range specified below. Exceeding the maximum torque can lead to product rupture.
- Please refer to the drawing for connection polarity.
- Do not use dropped products.
- Avoid installing the product in a strong magnetic field (Close to the transformer or magnet), or near an object with heat radiation.
- Electrical life Please use under load capability and life cycle so as not to cause a function failure. (Please also treat the contactor as a product with specified life and replace it when necessary). It is possible to make parts burn around the contactor once operating failure happens. So it is necessary to take layout into account to make sure power shall be cut off within 1 second.
- Do not let particle and oil stain on the main terminal with which the load shall make a reliable contact or it will cause a lot of heat. PRODUCT SERIES PRODUCT MODEL CONTACT TERMINAL COIL TERMINAL MOUNTING HOLE OR BOLT REFERENCE TORQUE HOLE/BOLT/WIRE/TERMINAL REFERENCE TORQUE REFERENCE TORQUE 05903 05903300