BlueSea Systems 2023 Catalog BATTERY MANAGEMENT 46 m-ACR Automatic Charging Relay With Optional Start Isolation Automatically combines batteries during charging, isolates batteries when discharging and when starting engines • 65A continuous rating • 12V/24V DC auto ranging voltage input • Senses charging on two battery banks • Case design allows surface, rear, or front panel mounting options • Snap-on cover insulates terminal connections • One-piece stainless flange nuts ensure safe and secure connections • Integrated LED indicates ACR states • Quick connect terminals for ground and start isolation • Optional Start Isolation allows temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics from sags and spikes Rear Surface Front Mini Add-A-Battery page 48 m-Series Battery Switch page 30 WeatherDeck OFF-ON Toggle Switch page 96 Mounting Options Side - with cover Side - no cover 2.57" (65.2mm) 1.21" (30.7mm) .84" (21.4mm) 1.02" (25.8mm) 1/4" (20mm) .44" (11.1mm) STUD HEIGHT 1.35" (34.3mm) .39" (10mm) REAR PANEL MOUNT IN Ø2 5/16" (59mm) HOLE 2.85" (72.3mm) MOUNTING CENTER Front 2.18" (55.2mm) MOUNTING CENTER 2.18" (55.2mm) 2.85" (72.3mm) Back - no cover 1.84" (46.7mm) FRONT PANEL MOUNT IN Ø2 5/8" (67mm) HOLE WITH MAX PANEL THICKNESS 5/16" (8mm) .38" (9.7mm) .13" (3.2mm) For the full list of specifications see page 53 MRBF Terminal Fuse Blocks page 68 Part # 7601 Intermittent Rating: 5 min. 115A Continuous Rating 65A Amperage Operating Current (Combine) 90mA Amperage Operating Current (Open) 15mA Nominal Voltage 12V / 24V DC Cable Size (to meet current ratings) 6 AWG (16mm²) Maximum Cable Size 1/0 AWG (50mm²) Terminal Stud Size 1/4"-20 (M6) Terminal Stud Length 7/16" (11 mm) Relay Contact Position 12V DC 24V DC Combine (30 sec.) 13.6V DC 27.2V DC Combine (2 min.) 13.0V DC 26.0V DC Open (10 sec.) 12.35V DC 24.7V DC Open (30 sec.) 12.75V DC 25.5V DC Over Voltage Lockout 16.0V DC -- Under Voltage Lockout 9.5V DC 19.0V DC Under Voltage Recovery 10.0V DC 20.0V DC Regulatory CE marked, ISO 8846, meets SAE J1171 external ignition protection requirements IP67 - protected against immersion up to 1 meter for 30 minutes (see inside back cover) Mini Add-A-Battery 360 Panel page 38 IGNITION PROTECTED Related Products