Engine Start Attempt and Alarm Relay

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SKU : NTR-150
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Skill Level : Component or Part

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Description: An 11 pin plug-in engine start attempt relay for use in starting combustion engines connected to generators.

The number of start attempts is selected by the middle selector switch 1 to 8. The start time is set by the top potentiometer between 3 to 30 secs and the recovery time by the bottom potentiometer between 6 to 60 secs.

When the auxiliary supply (9 to 30 VDC) is first applied (+2 & -10) the "Start" relay energizes immediately for the "Start" time. After the expiration of the "Start" time the relay de-energizes for the "Recovery" time. This cycle continues 1 to 8 times as set by the number on the "Attempts" switch.

The "Alarm" relay will energize after the last start attempt thus an "engine fail to start alarm" this status will remain until the auxiliary supply is removed.


Supply voltage:9 to 30 VDC
Repeat accuracy:±0.5%
Power consumption:0.6 W
Number start attempts:1 to 8
Start time:3 to 30 secs
Recovery time:6 to 60 secs
Reset time:50 mSec

Output:Relay 2 x SPCO
Rated:10 A @250 VAC
Mechanical life:30 Million ops
Electrical life:200K at 10A @250 VAC

Operating temperature:-20°C to + 40°C
Storage temperature:-20°C to + 60°C
Max cable size:4 mm
CE marked:Yes
In accordance with:EN61000-6-1: 2007
EN61000-6-3: 2007
EN61010-1: 2002
Housing material:Thermo plastic ABS (DIN7728) auto
Extinguishable according to UL94VO
Manufacturer's P/N:11R2ES

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