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Description
Blue Sea Ml-acr Automatic Charging Relay With Manual Control 24vdc 500aBlue Sea Systems ML ACR Automatic Charging Relay with Manual Control 24V DC 500A Model: 7623 BSS 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
Blue Sea Systems ML-ACR Automatic Charging Relay with Manual Control - 24V DC 500A
Model: 7623-BSS- 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
- Manual control switch provides an added level of safety allowing control with or without power, and offering LOCK OFF capability for servicing
500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine
Specifications| Control Circuit Connection | Tinned Wire |
| Nominal Voltage | 24V DC |
| Manual Control | Yes |
| 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 | Terminal Ring Diameter Clearance |
| Terminal Stud Length | 1.50in (38.1 mm) |
| Terminal Stud Size | 3/8"" - 16 (M10) |
| Wire Size | 20 AWG |
What's in the Box:
- ML-ACR Automatic Charging Relay with manual Control 24v
- SPDT Remote Control Contura Switch - ON-OFF-ON
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 926 reviews
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Product Reviews
★★★★★ 4
Sturdy Yes-Leak proof NO
Color: White, Size: 10 inch
They are very sturdy. However, when I microwaved my food I could see some seepage. I will not buy them again.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
These disposable plates are solid
Color: White, Size: 10 inch
I will be ordering these again and recommending for our church functions even after 2 hours of sitting with mash potatoes and gravy the plate was still firm even to hold in my hand not all flinsy.
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Reviewed in the United States on November 29, 2025
★★★★★ 5
Good for all Seasons eating
Color: Nature, Size: 10 inch
Non chemically bleached, paper plates, decent thickness- (I haven't cut through yet), I've bought these multiple times and haven't eaten anything I wouldn't put on them again. Baked beans, Cole Slaw, Pizza, fries, ketchup, turkey platter, ham plate. Theses are good for all season eatings.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Win win
Color: White, Size: 9 inch
These are my favorite plates to use for catering parties. Great value, they are sturdy and look high end. Best of all they are environmentally friendly as they are made from a by product and they are compostable.
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Reviewed in the United States on April 3, 2025
★★★★★ 5
Very good plates
Color: Nature, Size: 10 inch
These plates are the best, very sturdy and will not spill. Can be re-used and washed in some cases. Good quality out of the box Nice serving capacity.
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Reviewed in the United States on May 12, 2025