EGIS

EGIS XD Flex L Lithium Single Relay / ACR 500A with Knob

£254.29
Tax included.
8610-1300
Single-circuit XD Flex L automatic charging relay (VSR) engineered for lithium battery systems, rated 500 A continuous with a three-position manual override knob and a sealed 6-position DTM/ATM connector.

Collection or delivery in 1-2 weeks

Pickup available at Mercury Yacht Harbour

Usually ready in 2-4 days

Description

The XD Flex L is a single-circuit automatic charging relay built specifically for lithium battery systems, where the higher charge and discharge voltage set-points demanded by lithium chemistries fall outside the range of a standard voltage-sensitive relay. It shares the XD platform's bi-stable solenoid design, switching 500 A continuously and up to 1,500 A cranking while drawing only 1.3 mA in the off state, so it isolates and combines battery banks automatically without the parasitic load of legacy combining relays. A front-facing LED reports relay status at a glance and is replicated on the optional remote LED.

Operation is reassuringly hands-on thanks to the three-position manual override knob, which lets you force the relay open or closed and lock it in either condition, with the knob position making the current state unambiguous. The unit is sealed to IP67 and IP6K9K with high-temperature electronics, an integrated Gore-Tex vent and stainless steel studs, so it can be mounted almost anywhere on board. Connection is through a sealed 6-position DTM/ATM plug that is pin-for-pin compatible with legacy ML Series bi-stable relays, and the device can be expanded with 8790 and 8791 link bars to build two and three battery systems.

PRODUCT DETAILS

  • Lithium-ready automatic charging relay (VSR) with elevated charge and discharge voltage settings
  • 500 A continuous and 1,500 A cranking switching from a compact bi-stable solenoid design
  • Three-position manual override knob forces each relay open or closed and locks the state
  • Front-facing LED status display with optional remote LED replication
  • Sealed to IP67 and IP6K9K with integrated Gore-Tex vent and stainless steel hardware
  • 6-position DTM/ATM connector pin-for-pin compatible with legacy ML Series bi-stable relays
  • Expandable with 8790 and 8791 link bars and configurable via DIP switches under the cover
  • XD Flex L single-circuit lithium relay / ACR unit with three-position manual override knob
  • Protective terminal cover with circuit label recesses
  • 40-circuit waterproof label sheet
  • 18-8 stainless steel studs and self-locking flanged nuts
  • 6-position DTM/ATM connector interface (mating harness ordered separately)

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Electrical

Continuous Current500 A
Max Cranking Current1,500 A
Voltage Range8-36 V DC
Off-State Current Draw1.3 mA
State Change Current5A at 12 Vdc / 3A at 24 Vdc
Relay FunctionAutomatic charging relay / VSR (lithium capable)

Mechanical

Circuit ConfigurationSingle circuit
Mechanical Switching Life1,000,000 cycles
Ingress ProtectionIP67 / IP6K9K
Manual OverrideThree-position knob (lockable)
Connector6-position DTM/ATM sealed plug
Mounting Hardware1/4-20 / M6 holes; 18-8 stainless steel studs, self-locking flanged nuts

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Why is the Flex L specified for lithium battery systems?
Lithium batteries require higher charge and discharge voltage set-points than lead-acid banks. The Flex L offers the elevated voltage settings needed to combine and isolate lithium banks correctly, which a standard voltage-sensitive relay cannot reach.
What does the three-position manual override knob do?
It lets you manually force the relay open or closed and lock it in either condition. The knob position clearly shows whether the relay has been left locked off, locked on, or in automatic operation.
Is it compatible with existing ML Series relay wiring?
Yes. The 6-position DTM/ATM connector is pin-for-pin compatible with legacy ML Series bi-stable relays, so it can drop into many existing installations.
Can it be linked to other XD relays?
Yes. Optional 8790 link and 8791 cross-link busbars join the Flex L to additional single, dual or triple XD relays to build two and three battery systems without extra cabling.