Siemens SENTRON 5SP3 Selective Main MCBs (SHU) 25 kA, E Char.

SENTRON 5SP3 selective main miniature circuit breakers (SHU) with characteristic E and 25 kA breaking capacity, for 40 mm busbar or DIN rail mounting.

Key features

Selective main circuit breaker with characteristic E
Rated short-circuit breaking capacity 25 kA
Rated currents 16 to 63 A
Busbar versions (40 mm) for L1, L2, L3 or L1+L2+L3 and 3 x 1P
DIN rail versions 1P, 3 x 1P, 2P, 3P and 4P

Specifications

Brand	Siemens
Product line	SENTRON
Characteristic	E (selective)
Rated short-circuit breaking capacity	25 kA
Rated voltage	230/400 V AC
Standard	DIN VDE 0641-21
Source	Siemens Catalog LV 10 · 2026, p. 314-315

5SP3716-2KK01		Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
5SP3716-2KK02		Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
5SP3716-2KK03		Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
5SP3716-2		Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
5SP3816-2		Rated current: 16 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
5SP3720-2KK01		Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
5SP3720-2KK02		Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
5SP3720-2KK03		Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
5SP3720-2		Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
5SP3820-2		Rated current: 20 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
5SP3725-2KK01		Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
5SP3725-2KK02		Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
5SP3725-2KK03		Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
5SP3725-2		Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
5SP3825-2		Rated current: 25 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
5SP3735-2KK01		Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
5SP3735-2KK02		Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
5SP3735-2KK03		Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
5SP3735-2		Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
5SP3835-2		Rated current: 35 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
5SP3740-2KK01		Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
5SP3740-2KK02		Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
5SP3740-2KK03		Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
5SP3740-2		Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
5SP3840-2		Rated current: 40 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
5SP3750-2KK01		Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
5SP3750-2KK02		Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
5SP3750-2KK03		Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
5SP3750-2		Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
5SP3850-2		Rated current: 50 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
5SP3763-2KK01		Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
5SP3763-2KK02		Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
5SP3763-2KK03		Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
5SP3763-2		Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
5SP3863-2		Rated current: 63 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
5SP3716-3		Rated current: 16 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
5SP3816-3		Rated current: 16 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3216-3		Rated current: 16 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
5SP3316-3		Rated current: 16 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3416-3		Rated current: 16 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
5SP3720-3		Rated current: 20 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
5SP3820-3		Rated current: 20 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3220-3		Rated current: 20 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
5SP3320-3		Rated current: 20 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3420-3		Rated current: 20 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
5SP3725-3		Rated current: 25 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
5SP3825-3		Rated current: 25 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3225-3		Rated current: 25 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
5SP3325-3		Rated current: 25 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3425-3		Rated current: 25 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
5SP3735-3		Rated current: 35 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
5SP3835-3		Rated current: 35 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3235-3		Rated current: 35 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
5SP3335-3		Rated current: 35 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3435-3		Rated current: 35 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
5SP3740-3		Rated current: 40 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
5SP3840-3		Rated current: 40 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3240-3		Rated current: 40 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
5SP3340-3		Rated current: 40 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3440-3		Rated current: 40 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
5SP3750-3		Rated current: 50 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
5SP3850-3		Rated current: 50 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3250-3		Rated current: 50 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
5SP3350-3		Rated current: 50 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3450-3		Rated current: 50 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
5SP3763-3		Rated current: 63 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
5SP3863-3		Rated current: 63 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3263-3		Rated current: 63 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
5SP3363-3		Rated current: 63 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
5SP3463-3		Rated current: 63 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW

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Siemens SENTRON 5SP3 Selective Main MCBs (SHU) 25 kA, E Char.

Brand Siemens·Miniature Circuit Breakers

Available part numbers (70)

5SP3716-2KK01, 5SP3716-2KK02, 5SP3716-2KK03, 5SP3716-2, 5SP3816-2, 5SP3720-2KK01, 5SP3720-2KK02, 5SP3720-2KK03, 5SP3720-2, 5SP3820-2 + 60 more — see full table ↓

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	Product code	Spec
	5SP3716-2KK01	Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
	5SP3716-2KK02	Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
	5SP3716-2KK03	Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
	5SP3716-2	Rated current: 16 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
	5SP3816-2	Rated current: 16 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
	5SP3720-2KK01	Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
	5SP3720-2KK02	Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
	5SP3720-2KK03	Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
	5SP3720-2	Rated current: 20 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
	5SP3820-2	Rated current: 20 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
	5SP3725-2KK01	Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
	5SP3725-2KK02	Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
	5SP3725-2KK03	Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
	5SP3725-2	Rated current: 25 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
	5SP3825-2	Rated current: 25 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
	5SP3735-2KK01	Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
	5SP3735-2KK02	Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
	5SP3735-2KK03	Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
	5SP3735-2	Rated current: 35 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
	5SP3835-2	Rated current: 35 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
	5SP3740-2KK01	Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
	5SP3740-2KK02	Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
	5SP3740-2KK03	Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
	5SP3740-2	Rated current: 40 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
	5SP3840-2	Rated current: 40 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
	5SP3750-2KK01	Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
	5SP3750-2KK02	Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
	5SP3750-2KK03	Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
	5SP3750-2	Rated current: 50 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
	5SP3850-2	Rated current: 50 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
	5SP3763-2KK01	Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 \| Width: 1.5 MW
	5SP3763-2KK02	Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L2 \| Width: 1.5 MW
	5SP3763-2KK03	Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L3 \| Width: 1.5 MW
	5SP3763-2	Rated current: 63 A \| Poles: 1P \| Mounting: 40 mm busbar \| Busbar phase: L1 + L2 + L3 \| Width: 1.5 MW
	5SP3863-2	Rated current: 63 A \| Poles: 3 x 1P \| Mounting: 40 mm busbar \| Width: 4.5 MW
	5SP3716-3	Rated current: 16 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
	5SP3816-3	Rated current: 16 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3216-3	Rated current: 16 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
	5SP3316-3	Rated current: 16 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3416-3	Rated current: 16 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
	5SP3720-3	Rated current: 20 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
	5SP3820-3	Rated current: 20 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3220-3	Rated current: 20 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
	5SP3320-3	Rated current: 20 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3420-3	Rated current: 20 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
	5SP3725-3	Rated current: 25 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
	5SP3825-3	Rated current: 25 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3225-3	Rated current: 25 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
	5SP3325-3	Rated current: 25 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3425-3	Rated current: 25 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
	5SP3735-3	Rated current: 35 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
	5SP3835-3	Rated current: 35 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3235-3	Rated current: 35 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
	5SP3335-3	Rated current: 35 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3435-3	Rated current: 35 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
	5SP3740-3	Rated current: 40 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
	5SP3840-3	Rated current: 40 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3240-3	Rated current: 40 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
	5SP3340-3	Rated current: 40 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3440-3	Rated current: 40 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
	5SP3750-3	Rated current: 50 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
	5SP3850-3	Rated current: 50 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3250-3	Rated current: 50 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
	5SP3350-3	Rated current: 50 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3450-3	Rated current: 50 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW
	5SP3763-3	Rated current: 63 A \| Poles: 1P \| Mounting: DIN rail \| Width: 1.5 MW
	5SP3863-3	Rated current: 63 A \| Poles: 3 x 1P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3263-3	Rated current: 63 A \| Poles: 2P \| Mounting: DIN rail \| Width: 3 MW
	5SP3363-3	Rated current: 63 A \| Poles: 3P \| Mounting: DIN rail \| Width: 4.5 MW
	5SP3463-3	Rated current: 63 A \| Poles: 4P \| Mounting: DIN rail \| Width: 6 MW

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Siemens SENTRON 5SP3 Selective Main MCBs (SHU) 25 kA, E Char.