AG Publications Aquafax Equipment Catalogue

VOLTAGE SENSING RELAYS

www.aquafax.co.uk

BLUE SEA AUTOMATIC CHARGING RELAYS

ML SERIES AUTOMATIC CHARGING RELAY (MAGNETIC LATCHING)

500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine. • 500 Ampere continuous rating. • Bi-Stable Magnetic Latch (ML) draws very low current in the ON state. • 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

Specification:

12V

24V

Part No.

8-27620 / 8-27622

8-27623

Switching Cycles:

100,000 Cycles

100,000 Cycles

Operating Current:

<7A when changing state, <40 mA continuous

Relay Contact Position: Combine (30 sec):

13.5V DC

27.0V DC

Combine (90 sec):

13.0V DC

26.0V DC

Open (10 sec):

12.35V DC

24.7V DC

isolation of two engines while both are running to protect engine electronics and maximize alternator output. • Manual override knob provides an added level of safety allowing manual ON-OFF control with or without power while offering LOCKED OFF capability for servicing. • Senses charging on two battery banks. • LED output to remotely indicate switch state -

Open (30 sec):

12.75V DC

25.5V DC

Over Voltage Lockout:

16.2V DC

32.4V DC

Live Current Switching:

300A @ 12V DC - 10,000 cycles

Terminal Stud Size:

3/8"-16 (M10)

Terminal Stud Torque:

140 in-lb (15.5 N•m)

Ring Terminal Size:

3/8" (M10)

RATING TABLE

Wire Size

Cranking Cranking Intermittent Continuous 10sec. 1min. 5 min. (UL 1107)

requires optional LED (p.591) or Remote Control Contura Switch with integrated LED 8-22146 (included in retail package). •3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance. •7/8" (22mm) stud length accepts multiple cable terminals. • Label recesses for circuit identification. • Silver alloy contacts provide high reliability for live switching.

2/0 (70mm 2 ) 4/0 (120mm 2 )

2,000A 2,200A 2,500A

750A 750A 1,100A

400A 400A 700A

225A

8-22146

300A 500A

2 x 4/0 (120mm 2 )

554

LINK BUS Ideal for paralleling ML-remote battery switches and automatic charging relays. • Tin-plated copper for maximum conductivity and corrosion resistance. • 500A continuous rating • Sold individually

PART NO.

VOLTS

MANUAL CONTROL

Regulatory • CE Marked

8-27620

12V DC

No

• Meets ISO 8846 ignition protection and SAE J1171 external ignition protection requirement. • IP66 protects against powerful water jets. 8-27622 8-27623

12V DC

Yes

24V DC

Yes

Part No. 8-29160

ML Series Dimensions

ML Series Automatic Charge Relay & Remote Battery Switch Solenoid Schematic

remote acr switch 8-22146

alpha alternator M48512090

automatic charging relay 8-27622

(Sold complete with 8-22146)

engine battery

domestic battery

+

–

ml series remote battery switches

+

–

domestic 8-27700

engine 8-27700

remote engine battery switch 8-22145

remote domestic battery switch 8-22145

(Sold complete with 8-22145)

(Sold complete with 8-22145)