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Bestact Products > Multipole Relays > Plug-in (3-poles) Medium- and Large-Capacity Multipole Relays > Type RB-3P521LC  

Type RB-3P521LC


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Best Suited as Control Relays where High Reliability is Required

For Steel Plant Equipment, Electric Utilities, Transit Vehicles and Low Level Signals under Severe Operating Conditions.

Features
  1. Excellent performance provided when used for DC solenoid valves and solenoid loads. Without protective circuit components, 1,000,000 operations at 50W load can be ensured.
  2. Maximum reliability can be assured in non- frequent operation.
  3. Direct DC control from 1V 1mA on up to 230VAC.
  4. The hermetically sealed contact design prevents the contacts from deteriorating even in a corrosive environment.
  5. Mechanical failure should not occur since no moving parts such as an armature are included.
  6. Applicable at different voltage levels.
  7. AC actuated types available on order.
  8. Type RB-3P Recognized in accordance with USA and Canadian standards File No. E154773. For Class I, Division 2 Groups A,B,C,D Hazardous Locations.
Typical Applications
  • Auxiliary sequence
  • Emergency interlock
  • For DC solenoid load controlling (Especially 100VDC or greater)
  • For adverse atmosphere
  • For vehicles
  • For signals
  • For elevators





 Specifications   Ambient Temperature   

Contact Arrangement

2NO1NC

Operational Power Ratings (lnductive Load) 1

240VAC 1A, 230VDC 0.2A, 115VDC 0.5A

Min. Operational Power Ratings

1V 1mA (for R14), 24 V 1 mA (for R15)

Operating Time2

40 ms or less (with overlap)

Releasing Time 3

40 ms or less (with overlap)

Vibration Resistance4

44.1 m/s2 (4.5G) or greater (0 to 55Hz)

Shock Resistance -- Erroneous Operation

147.0m/s2 [15G]

Shock Resistance -- Breakdown

490.0m/s2 [50G] or greater

Withstand Voltage

2000VAC for 1 minute (across contacts: 800 VAC)

Approx. Weight

120g

Incorporated Bestact Type (Item Type)

R15, Large-Capacity (For heavy duty)
1 For details of contact ratings, life, characteristics, etc., refer to the Ratings, Specilications. and Electrical Life
2 Operating and releasing time are the values at rated voltage (20"C). Each of NO and NC contact operates independently. Therefore, the operating time of NO contact and NC contact may overlap.
3 Operating and releasing time are the values at rated voltage (20"C). Each of NO and NC contact operates independently. Therefore, the operating time of NO contact and NC contact may overlap.
4 Values of vibration/shock resistance are obtained when Bestact is equipped with relay retaining band.


 MORE IMAGES 

·  Dimensions in mm

·  Coil Specifications

·  Ambient Temp. & Operating Voltage (DC Coil)


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