Citroën-4-A

Brand	Citroën
Cylinders	4
Operating voltage	4-15V
Wires	Black: coil '-', Red: ignition key (battery 6V / 12V)
Model	Switch
Rotation direction	CW & CCW
Vacuum	Non Vacuum
RPM range	500-8000 RPM
IE (D-jetronic support)	Non IE
Environmental temperature	-30 – 100 °C
Cap type	Angled
Dwell	Constant current: fully automatic adaptive dwell
Coil charging time-out	After 1 second, coil current is turned off
Spark balancing	<0.5 degrees
Maximum advance	40 degrees crankshaft

The 123\CITROËN-4-A (also known as 123\DS-A) is a distributor, specifically targeted for the Citroën ID/DS. It contains all the curves for carbureted ID/DS-engines as originally specified by Citroën, for cars after July 1959.

It comes with an angled distributor-cap, for easy access to the sparkplug-leads.
Might you prefer un upright cap, please specify a ‘123\CITROËN-4-R’

For ID’s until 2/1964 Citroen used a distributor with vacuum-advance. To replace this you should order a ‘123\CITROËN-4-A-V’.

The unit offers a maximum total of 16 advance-curves to be selected by the end-user.
Please take a look in the table below for available advance curves.

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How to install a 123ignition distributor

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curve	advance starts [rpm crankshaft]	max. advance [rpm]	[degr. crankshaft]	vac. adv. starts [mmHg]	max. vac. adv. [mmHg]	[degr.]	replaces	remark
0	800	3400	24	150	350	22	curve# 11C2	mot. 'PERF0' until 6 1955
1	500	4000	29	150	350	22	curve# 11D	mot. '11D' after 6/'55
2	500	4000	29	150	350	22	Ducellier 4931A	'ID' until 2'64
3	800	4400	23	150	350	22	Ducellier 3941B	DS 7/'59-9'65, ID 2 '64-9 '64
4	1000	4500	31	100	300	10	Ducellier 4141A	ID 9/'64-9 '65
5	800	4400	23	100	300	10	Ducellier 3944A	DE 9/'65-9 '69
6	2000	5000	19	100	300	10	Ducellier 4155B	DX DE DXF DJF 9/'65-9/'68
7	1200	5000	19	100	300	10	Ducellier 4169A	DY DL DYF DLF 9 '65-9 '68
8	1600	4400	23	100	300	10	Ducellier 4173A	DV 9 '66-9 '68
9	600	5200	21	100	300	10	Ducellier 4253A	B DX DJ DXF DJF 10 '68-9 '72 DP after 9 '72
A	600	5400	31	100	300	10	Ducellier 4254A	DY DL DT DV 10/'68-5/'69
B	600	5400	31	100	300	10	Ducellier 4291A B	DY DL DT after 5/'69 DV after 9/'72
C	1100	4800	31	100	300	10	Ducellier 4254B C	DV 5/'69-9 '72 DX DJ after 9/'72
D	1000	2000	18	100	300	10	BOSCH ZV117 A3A, 231.177.001	DS 'IE' injection
E	1000	3500	34	250	400	10	SEV A180 4134B	H-van, HY mot: H78
F	1300	4500	34	250	400	10	SEV A117 4134	H-van, HY mot: H72 after 5/'64
F	1300	4500	34	250	400	10	SEV A117 4134	H-van, HY mot: H72 after 5/'64

Download the manual

How to install a 123ignition distributor

Where to buy?

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