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Bestact Products > Bestact Reed Element > Bestact™ Hermetically Sealed Contact > Type R25  

Type R25, Medium-Capacity (For heavy duty)

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FEATURES
  1. Sealed with an inert gas, ensuring freedom from aging and influences exerted by external environment.
  2. The twin contact and wiping effect assures outstanding contact reliability, probability of failure is extremely low.
  3. Quick action permits a larger make and break capacity and longer service life.
  4. Can switch both AC and DC, permitting direct control over a wide range from low level load to electromagnetic power load.
      Medium-capacity type : 5V 1mA to 240VAC 0.5A (5A making)
        NEMA Contact Ratings : C300 (AC) and Q150 (DC)
        NEMA HP Ratings : 1/10HP (120Vac), 1/8HP (240Vac)
  5. Small surge/noise during switching of inductive load.
UL RECOGNIZED IN ACCORDANCE WITH USA AND CANADIAN STANDARDS File No. E159361




 Contact Performance   Operating Characteristics   Mechanical Performance   Ambient Temperature   Construction & Operation Mechanism    Product Types Load Control    Reliability & Typical Applications    

Contact Arrangement
1NO

Rated Continuous Current

 View
3 A

Rated Operational Current (NEMA Pilot Duty) AC1
240V 0.5A (180W)

Rated Operational Current (NEMA Pilot Duty) DC2

 View
115V 0.3A (69VA)

Maximum Making Current 3

 View
240VAC 15A

Maximum Breaking Current AC4

 View
240VAC 15A

Maximum Breaking Current DC5

 View
115VDC 0.5A

Min. Operational Power Ratings6
24V 1mA

Withstand Voltage Across Contacts
500VAC for 1 minute

Insulation Resistance

 View
109 Ω or greater

Initial Contact Resistance

 View
500mΩ or less

Capacitance
0.5 PF or less
1 Where 240VAC, the rated operational current is set at 10 times this value upon making (PF: 0.6 to 0.7) and 1 times this value upon breaking (PF 0.3 to 0.4). Rated operational current 1A means 10A making and 1A breaking.
2 Where 115VDC is indicated, the current is set at 1 times making and 1 times breaking.
3 The maximum making current complies with JIS C 4531, and enables 100 times making at a power factor of PF: 0.7.
4 The maximum breaking current, by referring to JIS C 4531, is based on switching 25 times at PF: 0.4 (AC) cases for the large capacity element. For the medium capacity element, switching 25 times at PF: 0.4 (AC) case only.
5 The maximum breaking current, by referring to JIS C 4531, is based on switching 25 times at time constant t = 100ms (DC) for either 115/230VDC cases for the large capacity element. For the medium capacity element, switching 25 times at time constant t = 40ms for 115VDC case only.
6 Where 24V 1mA is in circuit with optcoupler, 5V 10mA can be used.


 DOWNLOADS 

Electrical Life

Surge Voltage At Breaking Of Inductive Loads

Electrical Life When Applying DC Circuit
(JPG, 96KB)

Reliability For Applying Dry Circuit
(JPG, 34KB)

Dimensions in mm
(JPG, 38KB)


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