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Section: Engine Electrics

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Technical Data - Alternator Opel Corsa B

Engine Electrics

Alternator

Engine		12 NZ, C 12 NZ, X 12 SZ, C 14 NZ, C 14 SE, X 14 SZ
Bosch Alternator
		Opel Cat. No.		12 04 126	62 04 016	12 04 108
		Opel Part No.		90 511 445	90 511 724	90 443 930
		Bosch code number		0 123 100		0 123 120
		102		001
	Test data
		Rating	V	14	14	14
		Maximum current output	A	55	55	70
		Current output
			at 1500 rpm	A	≥ 10	≥ 23	≥ 33
			at 6000 rpm	A	≥ 55	≥ 55	≥ 70
		Regulator voltage	V	13.7 - 14.5	13.7 - 14.5	14.5
		Slip rings
			Minimum diameter	mm	≥ 31.5	≥ 26.8	≥ 14.5
		Carbon brush
			Minimum length	mm	≥ 5.0	≥ 5.0	≥ 5.0
		Excitation winding
			Resistance	Ω	3.4 � 10%	2.9 � 10%	2.5 � 10%
	Torque
		Housing bolts	Nm	5	5	5
		Pulley nut	Nm	40	40	65

Alternator

Engine		12 NZ, C 12 NZ, X 12 SZ, C 14 NZ, C 14 SE, X 14 SZ
Delco-Remy Alternator
		Opel Cat. No.		12 04 088	62 04 002
		Opel Part No.		34 93 714	34 93 823
		Delco-Remy code number		03 493 604	10 479 923
	Test data
		Rating	V	14	14
		Maximum current output	A	67	100
		Current output
			at 1500 rpm	A	23	35
			at 6000 rpm	A	67	100
		Regulator voltage	V	14.7 � 0.5	14.7 � 0.5
		Slip rings
			Minimum diameter	mm	≥ 22	≥ 14
		Carbon brush
			Minimum length	mm	≥ 12	≥ 20
		Excitation winding
			Resistance	Ω	2.8	1.7
	Torque
		Housing bolts	Nm	6	9.5
		Pulley nut	Nm	80	80