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Automatic Charging Relays SI-Series
SI-ACR Automatic Charging Relay - 12/24V DC 120A
PN 7610- Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking
- Designed for 12 or 24 volt systems
- 12/24 volt auto ranging voltage input
- Hermetically sealed contacts/vaporproof
- Waterproof rated IP67—temporary immersion for 30 minutes
- Ignition protected—safe for installation aboard gasoline powered boats
- Remote LED output indicates relay state away from ACR
- Supports high-output alternators up to 120 Amperes
- Dual sensing
Product Documents
Installation
Instructions
Dimensioned DrawingSelecting Fuses and Wire Size7610 Diagnostic Flowchart
LED Status ChartReference
Application & Technical Briefs
Start Lockout for Two EnginesBlue Sea Systems' Dual Circuit Battery SwitchBattery Isolators and Automatic Charging RelaysOvercoming Dropout of House Electronics during Engine StartingCharge ManagementMultiple Output Battery ChargersAutomatic Charging Relay - An Alternative to Multiple Output Charging SystemsAutomatic Charging Relay (ACR) ExplainedMarketing Materials
Product Certificates
| Specifications | |
|---|---|
| Nominal Voltage | 12V DC 24V DC |
Start Isolation  | Yes |
| Continuous Rating | 120A |
| Intermittent Rating | 210A (5 min) |
| Amperage Operating Current | 175mA (combined) 15mA (open) |
| Cable Size to Meet Ratings | 1/0 AWG |
| Terminal Ring Diameter Clearance | 1.12in (28.45 mm) |
| Terminal Stud Length | 1.50in (38.1 mm) |
| Terminal Stud Size | 3/8-16 (M10) |
| Terminal Stud Torque | 140 in-lb (15.82 Nm) |
| Relay Contact Position | SPEC_HEADER |
| Combine 30 sec | 13.6V @ 12 V 27.2V @ 24 V |
| Combine 90 sec | 13.0V @ 12 V 26.0V @ 24 V |
| Open 10 sec | 12.35V @ 12 V 24.7V @ 24 V |
| Open 30 sec | 12.75V @ 12 V 25.5V @ 24 V |
| Open High | 16.0V @ 12 V 30.0V @ 24 V |
| Over Voltage Lockout | 16.0V @ 12V 32.0V @ 24V |
| Under Voltage Lockout | 9.5V @ 12 V 19V @ 24 V |
| Weight | 1.25lb (0.57 kg) |
| Included With | ||
|---|---|---|
 | 7650 | Add-A-Battery - 120A |
| Meets the following Regulatory Standards |
|---|
     |
| Previous versions of this product | |
|---|---|
 | undervoltage lockout changed (3/2012) |
