SI-ACR Automatic Charging Relay - 12/24V DC 120A - SI-ACR Automatic Charging Relay - 12/24V DC 120A

SI-ACR Automatic Charging Relay - 12/24V DC 120A - Dimensioned Drawing

SI-ACR Automatic Charging Relay - 12/24V DC 120A - LED Status Chart

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Blue Sea Systems

7610-BSS

Samodejni preklopni rele SI-ACR - 12/24 V DC 120 A

Le relais de charge automatique BLUE SEA SI-ACR 7610-BSS 12/24V DC 120A gère efficacement les systèmes à double batterie. Il combine automatiquement les bancs pour la charge et les isole lors de la décharge ou du démarrage, protégeant ainsi les électroniques sensibles grâce à sa fonction d'isolation au démarrage. Certifié IP67 et protégé contre l'allumage, ce relais supporte des alternateurs jusqu'à 120A et offre une solution fiable pour la distribution d'énergie marine.

Inclus : le relais de charge automatique SI-ACR 7610-BSS.

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133,84€

133,84€ ~~151,32€~~

DDV vključen Dostava se izračuna ob plačilu.

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Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of certified installers

Find an installer

Support service

Choose complementary installation support

Technical specifications

Nazivna napetost	12/24 V DC
IP razred	IP67
Battery Banks	2.0
Combine Voltage	≥13.6V (12V) / ≥27.2V (24V) pendant 30 sec
Combine Voltage 2min	13.0V DC (12V) / 26.0V DC (24V)
Nihajoči tok (A)	120.0
Zaščita pred vžigom	Oui
Intermittent Current 5min	210
Tip montaže	Montage en surface
Open Voltage	≤12.75V (12V) / ≤25.5V (24V) pendant 30 sec
Open Voltage 10sec	12.35V DC (12V) / 24.7V DC (24V)
Operating Current Combine Ma	175
Operating Current Open Ma	15
Over Voltage Lockout Threshold 12v	16.0V DC
Tip releja	Relais de charge automatique
Start Isolation	Oui
Undervoltage Lockout Threshold 12v	9.5V DC
Undervoltage Lockout Threshold 24v	19.0V DC
Undervoltage Reset Threshold 12v	10.0V DC
Undervoltage Reset Threshold 24v	20.0V DC

Detailed description

BLUE SEA SI-ACR (samodejni preklopni rele) 7610-BSS je namenjen optimizaciji upravljanja sistemov dvojnih baterij na plovilih. Ta samodejni preklopni rele z močjo 120A, kompatibilen z 12/24V DC, zagotavlja združevanje baterij med polnjenjem in njihovo izolacijo med izpraznitvijo ali zagonom motorja. Ta funkcija ščiti baterije in občutljivo elektronsko opremo pred nihanji napetosti.

Inteligentno upravljanje energije

SI-ACR 7610-BSS se odlikuje z dvojnim zaznavanjem (dual sensing), ki je sposobno prepoznati vir polnjenja na enem ali drugem banku baterij, kar zagotavlja učinkovito porazdelitev energije. Vključen je tudi sistem izolacije pri zagonu (start isolation), ki začasno odklopi porabo servisnih krogov iz kroga za zagon. To preprečuje padce in skoke napetosti, ki bi lahko vplivali na elektronske naprave. Ta značilnost ga loči od drugih modelov ACR iz Blue Sea serije, kot je 7611, ki ponuja funkcije prednosti pomožne baterije ali pomoč pri zagonu, saj zagotavlja posebno zaščito za občutljivo elektronsko opremo.

Robustna in varna izvedba

Z kontinuirano zmogljivostjo 120 amperov in prekinjeno zmogljivostjo 210 amperov (5 minut) je ta rele primeren za alternatorje z visoko močjo. Njegova izvedba je v skladu z morskimi standardi, saj je certificiran po standardu IP67 za začasno potopitev do 1 metra v 30 minutah, kar omogoča namestitev v vlažnih okoljih ali motornih predelih. Zaščiten je tudi pred vžigom (ignition protected) v skladu s standardi UL 1500, SAE J1171 in ISO 8846, kar ga naredi varnega za motorna plovila na bencin. Enota je opremljena z zaščito pred previsoko napetostjo (16,0V DC za 12V sisteme) in pre nizko napetostjo (9,5V DC za 12V sisteme), kar zagotavlja stabilno delovanje in dolgoživost baterij.

Vključevanje in nadzor

SI-ACR 7610-BSS olajšuje vključevanje v obstoječe električne sisteme z uporabo steznih vijačnih stikal 3/8"-16 (M10) in možnostjo vodenja kablov skozi stranske in spodnje prehode. Vgrajen LED indikator zagotavlja jasno vizualno povratno informacijo o stanju releja (združen, izoliran, izolacija pri zagonu, zaklenjeno pod napetostjo). Na voljo je tudi izhod za oddaljen LED, ki omogoča nadzor na daljavo. Ta model predstavlja napredno rešitev za upravljanje polnjenja v sistemih, ki zahtevajo povečano zaščito vgrajenega elektronskega opreme, v primerjavi z enostavnimi releji ali tradicionalnimi izolatorji baterij.

Documentation

Type	Nom
	EN - Diagnostic Flowchart - SI-ACR Automatic Charging Relay - 12-24V DC 120A
	EN - Instructions - SI-ACR Automatic Charging Relay - 12-24V DC 120A
	EN - Choose The Right ACR - SI-ACR Automatic Charging Relay - 12-24V DC 120A
	EN - Sell Sheet - SI-ACR Automatic Charging Relay - 12-24V DC 120A
	EN - Certificate - SI-ACR Automatic Charging Relay - 12-24V DC 120A
	EN - Certificate - SI-ACR Automatic Charging Relay - 12-24V DC 120A

Expert review

Pol CONIN

Odgovorni digitalni vodja

« Technical analysis of the BLUE SEA SI-ACR 120A charge relay »

The Blue Sea Systems SI-ACR 7610-BSS automatic charge relay is a critical component for managing a dual-battery bank system, typically a starter bank and a house bank. Its primary function is to allow simultaneous charging of both banks from a single source (alternator, shore power charger) while ensuring their isolation when the source is inactive. The added value of this model lies in its "Start Isolation" capability. Unlike basic ACRs or diode-based battery isolators, the SI-ACR 7610-BSS automatically disconnects the house bank during engine start-up. This feature is crucial for vessels equipped with sensitive electronics, as it eliminates transient voltage drops that can occur during the high current draw of the starter motor.

Installation is flexible, with the ability to connect the "Start Isolation" line to activate this specific protection. For boats equipped with alternators up to 120A, this relay is perfectly sized. It is particularly recommended for cruising sailboats or motorboats with complex electronic systems that require automated charge management without compromising equipment safety. However, it is important to note that the 7610 is not designed for emergency start currents. For this function, a battery switching system with a "combine batteries/parallel" function must be used as a supplement. The IP67-rated housing allows installation in engine compartments, but a dry, protected location is always preferable to maximize its lifespan and simplify connection maintenance.

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Samodejni preklopni rele SI-ACR - 12/24 V DC 120 A

133,84€

133,84€ ~~151,32€~~

Frequently asked questions

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What is the Blue Sea Systems SI-ACR 7610-BSS automatic charging relay?

The automatic charging relay (ACR) SI-ACR 7610-BSS is designed to optimize the management of dual-battery systems aboard vessels. It automatically combines batteries during charging and isolates them during discharge or engine start, protecting batteries and sensitive electronic equipment from voltage fluctuations.

What is the continuous and intermittent current rating of this relay?

The SI-ACR 7610-BSS relay has a continuous rating of 120 amperes and an intermittent rating of 210 amperes (for 5 minutes). This makes it suitable for high-power alternators.

Is the SI-ACR 7610-BSS relay compatible with 12V and 24V electrical systems?

Yes, the SI-ACR 7610-BSS relay is designed to operate optimally with 12V and 24V DC electrical systems, automatically adapting to the system voltage.

How does the Start Isolation (SI) function work?

The Start Isolation (SI) function temporarily disconnects the house loads from the engine's starting circuit. This feature prevents voltage drops and spikes that could affect sensitive electronic devices during the starting process.

What does the IP67 certification mean for the SI-ACR 7610-BSS relay?

The IP67 certification means the relay is protected against temporary immersion up to 1 meter depth for 30 minutes. This allows installation in damp environments or engine compartments without risk of water damage.

Where is the best place to install the SI-ACR charge relay?

The relay should be installed in a dry, protected location whenever possible to prevent corrosion of the wires and connection terminals. It is also advisable to avoid mounting it directly above battery banks.

Can the SI-ACR relay be used to handle engine starting currents?

No, the SI-ACR relay is not designed to handle engine starting currents. For situations where batteries may need to be combined for emergency starting, it is recommended to use a battery switching system with a combine/parallel function.

How can I enable the Start Isolation (SI) function?

To enable the Start Isolation function, connect a wire from the quick-connect terminal marked SI (start isolation) to the terminal or wire that runs from the ignition switch to the starter solenoid. This connection must be made through an inline fuse rated 1 to 10 amperes and must be positive only when the starter is engaged and running.

Can I connect a remote LED indicator to the SI-ACR relay?

Yes, it is possible to connect a remote LED indicator lamp that reflects the state of the LED built into the relay. To do so:

Connect the red wire of the LED to a 12/24V positive source via a 1 to 2 amp inline fuse. Connect the yellow wire of the LED to the quick-connect terminal marked LED on the relay.

What wire size and fuse rating are recommended for the SI-ACR 7610-BSS relay?

For continuous charging current ≤120 amperes, a minimum wire size of #1 AWG is recommended with a 175-ampere fuse. Larger wire sizes may be required to minimize voltage drop over long distances.

What is the appropriate torque for the relay terminals?

The recommended torque for 3/8"-16 (M10) terminal studs is 140 in-lbs (15.8 Nm). It is critical to respect this torque to ensure a safe and reliable electrical connection.

How does the SI-ACR relay handle charge source detection?

The SI-ACR relay features dual sensing. This means it can detect an available charge source on either of the battery banks, ensuring efficient power distribution.

When does the SI-ACR relay combine the batteries?

The relay combines the batteries when the voltage at either terminal reaches a charge level. For a 12V system, this occurs if the voltage is above 13.6V DC for 30 seconds, or above 13.0V DC for 2 minutes. For a 24V system, the thresholds are 27.2V DC for 30 seconds or 26.0V DC for 2 minutes.

When does the SI-ACR relay isolate the batteries?

The relay isolates the batteries when the voltage drops below a certain threshold, indicating no charge or discharge. For a 12V system, this occurs if the voltage is below 12.75V DC for 30 seconds, or below 12.35V DC for 10 seconds. For a 24V system, the thresholds are 25.5V DC for 30 seconds or 24.7V DC for 10 seconds.

What is the Over Voltage Lockout (OVL) function?

The Over Voltage Lockout (OVL) function protects equipment by isolating batteries if system voltage exceeds a critical threshold. For a 12V system, the relay opens if voltage exceeds 16.0V DC.

How does the relay protect against low voltages?

The relay includes an undervoltage lockout that prevents it from closing if a battery’s voltage is too low. For a 12V system, it will not close if the voltage is below 9.5V DC. For a 24V system, the threshold is 19.0V DC. This protects the relay from potential overcurrent surges and allows the weak battery to recover.

Is the SI-ACR 7610-BSS relay ignition-protected for use on gasoline-powered boats?

Yes, the relay is ignition-protected, making it safe for installation aboard gasoline-powered motorboats. It complies with external ignition protection requirements per ISO 8846, UL 1500, and SAE J1171.

Is this relay suitable for high-output alternators?

Yes, with a continuous rating of 120 amperes and an intermittent rating of 210 amperes, the SI-ACR 7610-BSS is perfectly suited to handle the load of high-output alternators.