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Newmar ERC-12-15 Emergency Relay

MPN: ERC-12-15
SKU: CW102460

Newmar ERC-12-15 Emergency Relay

MPN: ERC-12-15

SKU: CW102460

The ERC-12-15 Emergency Relay ensures immediate backup power for communications equipment during AC power loss, also functioning as a trickle battery charger. It uses a fast-acting relay to switch to a standby battery and reverts to the power supply when restored. Installation should avoid areas with battery gases. Proper wiring and gauge selection are crucial for optimal performance.

Features
  • Input Range: 10.0-14.5 VDC (12V)
  • Relay Rating: 10 amps continuous & 15 amps intermittent
  • Float Trickle (typical): 0.1 amps
  • Dimensions: 5-1/8" x 2-7/8" x 2-3/8"
  • Weight: 0.5 lbs.

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Product Description

ERC-12-15 Emergency Relay

The Emergency Relay/Charger is a device for assuring immediate backup power to communications equipment in the event AC power is temporarily lost to the power supply or the supply fails. In addition, it will allow the power supply to act as a “trickle” battery charger without any additional modification.

When loss of DC voltage is sensed by the ERC, it employs a fast-acting S.P.D.T. relay to automatically switch the equipment’s DC input over to a standby battery to allow continued operation. When the power supply is returned to service, the ERC disengages the battery and puts the supply back online to provide DC voltage. While the power supply is operating normally, a small portion of the output current is directed to the battery to trickle-charge and maintain it at full voltage. (Note: Battery float voltage will be maintained at .7 volts lower than the power supply voltage.)

Note: If the power supply is down for an extended period, the backup battery may become significantly discharged while powering the radio. When the supply returns to service, the trickle charge rate of the ERC may be insufficient to restore the battery to full charge in a timely manner. In the event this occurs, a supplemental charger may be necessary to bring the battery to full charge.

Installation

Select a suitable location as close to the battery as possible where there is no likelihood of accidental contact and shorting of the terminals. The ERC may be mounted vertically, horizontally, or even upside-down, if necessary, without affecting its operation. Two # 10 sheet metal or wood screws will be needed. Mounting on a metal surface is acceptable as the inputs and outputs are isolated from the mounting bracket.

Note: If the battery is stored in an unventilated enclosure, it is not recommended that users mount the ERC within the same enclosure. As with any relay, it should not be in an area where there may possibly be battery gases or any other potentially explosive gases present.

Wiring

The wiring should be as direct as possible. Ensure that the battery posts are free from corrosion. Determine the correct gauge wire using the information below. The wire length is the total length of the run (ERC-to-Radio + Power Supply-to-ERC) or (ERC-to-Radio + Battery-to-ERC), whichever is longer.

  • 5 ft. wire length = #14 AWG
  • 10 ft. wire length = #12 AWG
  • 15 ft. wire length = #10 AWG
  • 20 ft. wire length = #10 AWG

Use the provided crimp ring lug connectors to secure wiring to the ERC. Models ERC-12-15 and ERC-24-15 are provided with yellow plastic terminal covers, which must be reinstalled after wiring to prevent accidental shorting.

Specifications:

  • Input Range: 10.0-14.5 VDC (12V)
  • Relay Rating: 10 amps continuous & 15 amps intermittent
  • Float Trickle (typical): 0.1 amps
  • Dimensions (inches): 5-1/8″ x 2-7/8″ x 2-3/8″
  • Weight: 0.5 lbs.

Manufacturer : Newmar Power
Manufacturer Part No : ERC-12-15

Additional information

Weight 0.75 lbs
Dimensions 8.00 × 4.00 × 4.00 in
Brand

MPN

Reviews

4.8
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Ken Powell
17:20 07 Nov 24
I needed to return an item and it was quick and easy. Great customer service!
Wayne Jones
17:39 20 May 24
I ordered the wrong part first time. In 2 days they sent the correct switch . Very fast and knowledgeable.
maureen peterson
12:50 13 May 24
Super fast shipping.Great people to deal with, highly recommend... Thank you.
Jason Webre
18:13 04 Apr 24
When I order my bracket, I put the wrong mailing address. So the post office returned it to Fast Boat Parts. Armen the rep. For Fast Boat Parts, Immediately returned my call & has been doing a great job of watching for the returned bracket, keeping me informed of the status. The first bracket was delivered quickly & Armen has been very nice & thoughtful in assisting me with getting another bracket mailed to my correct address.
Ivana Gross
04:38 07 Oct 23
Very helpful and friendly staff! Would definitely recommend.
Donna Terzian
17:27 24 Aug 23
I am very pleased with the outstanding customer service I received with Fast Boats. They went out of their way personally to communicate with me and ensure a product, price, and delivery I would be happy with. Customer service rep Armen showed what good customer relations is all about.Donna
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