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Capricorn Controls DA01ATM1-1 Data & Application Note Page 1 of 8

Designed & manufactured in England by Capricorn Controls

Telephone: +44 (0) 1295 272360 Fax: +44 (0) 1295 264766 E-mail: sales@ capricorn-controls.com

REVISED - - - ATM72 Auto Transfer Module

Genset Controls - Timers - Monitors - Trips - Battery Charging - Spares & Accessories - Custom Products

Effective November 1

1998

This design has been revised to include the following ---

(1) Insulated Back

The internal construction of one full-length printed circuit board (Pcb)

and one rear Pcb has been replaced with an insulated back and two full-

length printed circuit boards. One Pcb each for the DC and AC circuits,

thus improving ‘DC’ to ‘AC’ isolation.

Please note – the connectors are now Pcb mounted and are therefore

in the vertical plane.

(2) Adjustable ‘Mains Available’ threshold (not ATM72D)

85 – 220VAC (300V absolute max.) for 220/240V systems … pre-set at 180V unless specified otherwise.

30 -- 99VAC for 110/120V systems … specify with order.

Set to minimum if external Phase monitoring used.

(3) Adjustable ‘Alternator Available’ threshold

85 – 220VAC (300V absolute max.) for 220/240V systems… pre-set at

180V unless specified otherwise.

30 -- 99VAC for 110/120V systems… specify with order.

Set to minimum if external Phase monitoring used.

(4) ‘Delay’ between contactor operations.

A nominal 2-second delay has been added to ensure a dwell time between

one contactor opening and the other closing.

Please specify with order for other delays (max of 10 seconds).

(5) Separate Mains & Standby control relays

This allows delay between contactor change-over (see above), improves

AC ‘Mains’ to ‘Standby’ isolation and increases relay contact ratings from

5Amp (resistive) to 16Amp (resistive).

Note: For Inductive Loads, the (resistive) rating must be de-rated to 14%. That is, 16Amps (resistive) =

2.2Amps continuous into an Inductive Load to ensure that Inrush currents do not exceed the contact

rating.

(6) Transient Protection

A ‘Transorb’ device has been fitted to improve (DC) transient protection.

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Inhaltsverzeichnis

Seite 1

Capricorn Controls DA01ATM1-1 Data & Application Note Page 1 of 8Designed & man

Seite 2 - Page 2 of 8

Page 2 of 8E. & O. E. The Proven Solution to Power Controls DA01ATM1-1

Seite 3 - ATM72 Auto Transfer Module

Capricorn Controls DA01ATM1-1 Data & Application Note Page 3 of 8Designed & man

Seite 4 - ‘TYPICAL’ CONNECTIONS

Page 4 of 8E. & O. E. The Proven Solution to Power Controls DA01ATM1-1‘TYPICAL’ CONNECTIONSAlways ensure that the correct wire sizes are used and

Seite 5 - ATM72 ‘Upgrade to AMF’

Capricorn Controls DA01ATM1-1 Data & Application Note Page 5 of 8Designed & man

Seite 6 - Page 6 of 8

Page 6 of 8E. & O. E. The Proven Solution to Power Controls DA01ATM1-1RSM72KWX + ATM72D = Mains Failure SystemNegative O/P for use with EXM

Seite 7

Capricorn Controls DA01ATM1-1 Data & Application Note Page 7 of 8Designed & man

Seite 8 - CAPRICORN CONTROLS LIMITED

Page 8 of 8E. & O. E. The Proven Solution to Power Controls DA01ATM1-1SPECIFICATIONDC Supply : 12/24V Single range supply. < 4V Dropout / 4

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Apricorn AMKF-1 Bedienungsanleitung

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