Blue Sea

Blue Sea ML Series Automatic Charging Relay - 500A, 24V

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RRP: NZ$485
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SKU:
BS-7621B
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Description

Blue Sea ML Series Automatic Charging Relay - 500A, 24V

500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine

  • Includes ML-Series Remote Control Contura Switch PN 2146
  • Automatically manages the charging of two large battery banks
  • Allows paralleling of battery banks for emergency starting
  • 500 Ampere continuous rating to support high-output alternators
  • Magnetic Latch (ML)—ACR draws very low current (<40mA to monitor terminal voltage) in the "ON" or "OFF" states, and draws moderate current for very short time when changing state
  • Dual sensing—senses charge on both battery banks
  • Start Isolation (SI)—can be configured for temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics
  • Engine Isolation (EI)—can be configured for isolation of two engines while both are running to protect engine electronics and maximize alternator output
  • Senses charging on two battery banks
  • LED output to remotely indicate when batteries are combined, isolated, in voltage lockout, or in Start or Engine isolation
  • 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance
  • 7/8" (22mm) stud length accepts multiple cable terminals
  • Silver alloy contacts provide high reliability for switching live loads
  • Label recesses for circuit identification
Control Circuit Connection  Tinned Wire
Nominal Voltage 24V DC
Manual Control  No
Engine Isolation  Yes
Mounting #10
Start Assist  Yes
Start Isolation  Yes
Amperage Operating Current 13mA 
Amperage Operating Current when changing state <7.0A
Terminal Stud Torque 140 in-lb (15.82 Nm)
Continuous Rating  500A
Intermittent Rating  700A (5 min)
Cranking Rating 30 sec  1450A DC
Minimum Operating Temperature -10° C
Maximum Operating Temperature 60° C
Cable Size to Meet Ratings 4/0 AWG x 2
Live Current Switching 300A @ 12V DC
Stud Material Tinned Copper
Switching Cycles 100000
Terminal Ring Diameter Clearance 1.12in (28.45 mm)
Terminal Stud Length 1.50in (38.1 mm)
Terminal Stud Size 3/8" - 16 (M10)
Wire Size 20 AWG
Relay Contact Position
Combine 30 sec 27.0V
Combine 90 sec 26.0V
Open 10 sec 24.7V
Open 30 sec 25.5V
Open High 32.4V
Weight 2.08lb (0.94 kg)

 

Included
Qty Product
1 SPDT Remote Control Contura Switch - ON-OFF-ON
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