Siemens SENTRON 8US 60 mm compact busbar system (up to 360 A)

Components for the Siemens 8US 60 mm compact busbar system up to 360 A (3-pole) or 200 A (5-pole): busbar supports, connection modules, device adapters and accessories.

Key features

For 12 × 5 mm and 12 × 10 mm flat copper profiles, 3-pole and 5-pole systems
Busbar supports to IEC (54 kA 3P / 32 kA 5P) and UL 508 (18 kA)
Connection modules with spring terminal (1.5-16 mm²) or connecting terminals up to 150 mm²
Device adapters for 3RM1 motor starters, 3RM193 fuse modules, 5SY MCBs, 3VA10/11 MCCBs and universal use
N, PE, support and lateral modules plus module connectors

Specifications

Brand	Siemens
Product line	SENTRON 8US compact busbar system
Busbar spacing	60 mm
Rated operational voltage	690 V AC (IEC), 600 V AC (UL 508)
Rated current	Up to 360 A (3P) / 200 A (5P)
Flat copper profiles	12 × 5 mm, 12 × 10 mm
Source	Siemens Catalog LV 10 · 2026, p. 904-909

8US1923-5CA02		Component: Busbar support 3P/5P \| Version: Incl. end cover, interior \| Rating: 690 V IEC 54/32 kA; UL 18 kA \| Size: 12 × 160 × 45 mm \| Pack: 10 units
8US1922-1CA02		Component: UL spacer for busbar supports \| Version: Height 18 mm \| Size: 12 × 160 × 18 mm \| Pack: 10 units
8US1928-5CA02		Component: Stabilizing module \| Version: For 12 × 5 mm N/PE busbars \| Size: 2 × 160 × 47 mm \| Pack: 10 units
8US1922-2CB02		Component: Cover profile \| Size: 700 × 160 × 63 mm \| Pack: 2 units
8US1922-2CA02		Component: Holder for cover profile 8US1922-2CB02 \| Size: 5 × 156 × 55 mm \| Pack: 10 units
8US1921-1BA02		Component: Connection module 3P \| Version: Spring terminal 1.5-16 mm² \| Rating: 63 A IEC / 48 A UL \| Size: 20 × 160 × 91 mm \| Pack: 6 units
8US1921-1CB02		Component: Connection module 3P \| Version: Connecting terminal 6-50 mm² \| Rating: 175 A IEC / 175 A UL \| Size: 54 × 160 × 115 mm \| Pack: 1 unit
8US1921-1CD02		Component: Connection module 3P (5P system) \| Version: Connecting terminal 10-120 mm² \| Rating: 250 A IEC / 200 A UL \| Size: 90 × 160 × 80 mm \| Pack: 1 unit
8US1921-1CE02		Component: Connection module N (5P system) \| Version: Connecting terminal 10-120 mm² \| Rating: 690 V AC / 600 V AC \| Size: 30 × 160 × 80 mm \| Pack: 1 unit
8US1921-1CF02		Component: Connection module PE (5P system) \| Version: Connecting terminal 10-120 mm² \| Rating: 690 V AC / 600 V AC \| Size: 30 × 160 × 80 mm \| Pack: 1 unit
8US1921-1CC02		Component: Connection module 3P \| Version: Connecting terminal 35-150 mm² \| Rating: 275 A IEC / 285 A UL \| Size: 90 × 160 × 115 mm \| Pack: 1 unit
8US1615-5CK10		Component: Device adapter for 3RM1 starters/relays \| Version: With fuse module and DIN rail \| Rating: 16 A, 690 V AC \| Size: H 160 mm, 22.5 × 122 mm \| Pack: 4 units
8US1215-5CS10		Component: Device adapter for 3RM1 starters/relays \| Version: With fuse module and DIN rail \| Rating: 16 A, 690 V AC \| Size: H 200 mm, 22.5 × 122 mm \| Pack: 5 units
8US1621-2NJ02		Component: Universal adapter 1-pole (5P system) \| Rating: 32 A, 690 V AC, IEC \| Size: H 160 mm, 18 × 73 mm \| Pack: 12 units
8US1651-5DK02		Component: Universal adapter (3P system) \| Rating: 32 A IEC / 25 A UL \| Size: H 160 mm, 45 × 63 mm \| Pack: 4 units
8US1621-2FK02		Component: Universal adapter 1-pole (5P system) \| Rating: 63 A, 690 V AC, IEC \| Size: H 160 mm, 18 × 73 mm \| Pack: 12 units
8US1624-2FK02		Component: Adapter 1-pole for 5SY MCBs \| Rating: 63 A, 690 V AC, IEC \| Size: H 160 mm, 18 × 82 mm \| Pack: 12 units
8US1661-5FK02		Component: Universal adapter (3P system) \| Rating: 63 A IEC / 65 A UL \| Size: H 160 mm, 54 × 63 mm \| Pack: 4 units
8US1613-4AU01		Component: Adapter for 3VA10/11 MCCBs (3P) \| Version: With latching function \| Rating: 144 A, 690 V AC, IEC \| Size: H 160 mm, 77 × 35 mm \| Pack: 1 unit
8US1600-0RE02		Component: N module \| Version: Connecting terminal 1.5-16 mm² \| Rating: 690 V \| Size: 9 × 160 × 114 mm \| Pack: 12 units
8US1600-0RF02		Component: PE module \| Version: Connecting terminal 1.5-16 mm² \| Rating: 690 V \| Size: 9 × 160 × 114 mm \| Pack: 12 units
8US1620-5AK02		Component: Support module \| Size: 18 × 160 × 54 mm \| Pack: 6 units
8US1998-2BH02		Component: Lateral module \| Size: 9 × 160 × 47 mm \| Pack: 12 units
8US1998-1AA02		Component: Set of module connectors \| Version: For connecting adapters \| Pack: 100 units

Busbar SystemsSiemens

24 product codes available in this family

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Siemens SENTRON 8US 60 mm compact busbar system (up to 360 A)

Brand Siemens·Busbar Systems

Available part numbers (24)

8US1923-5CA02, 8US1922-1CA02, 8US1928-5CA02, 8US1922-2CB02, 8US1922-2CA02, 8US1921-1BA02, 8US1921-1CB02, 8US1921-1CD02, 8US1921-1CE02, 8US1921-1CF02 + 14 more — see full table ↓

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	8US1923-5CA02	Component: Busbar support 3P/5P \| Version: Incl. end cover, interior \| Rating: 690 V IEC 54/32 kA; UL 18 kA \| Size: 12 × 160 × 45 mm \| Pack: 10 units
	8US1922-1CA02	Component: UL spacer for busbar supports \| Version: Height 18 mm \| Size: 12 × 160 × 18 mm \| Pack: 10 units
	8US1928-5CA02	Component: Stabilizing module \| Version: For 12 × 5 mm N/PE busbars \| Size: 2 × 160 × 47 mm \| Pack: 10 units
	8US1922-2CB02	Component: Cover profile \| Size: 700 × 160 × 63 mm \| Pack: 2 units
	8US1922-2CA02	Component: Holder for cover profile 8US1922-2CB02 \| Size: 5 × 156 × 55 mm \| Pack: 10 units
	8US1921-1BA02	Component: Connection module 3P \| Version: Spring terminal 1.5-16 mm² \| Rating: 63 A IEC / 48 A UL \| Size: 20 × 160 × 91 mm \| Pack: 6 units
	8US1921-1CB02	Component: Connection module 3P \| Version: Connecting terminal 6-50 mm² \| Rating: 175 A IEC / 175 A UL \| Size: 54 × 160 × 115 mm \| Pack: 1 unit
	8US1921-1CD02	Component: Connection module 3P (5P system) \| Version: Connecting terminal 10-120 mm² \| Rating: 250 A IEC / 200 A UL \| Size: 90 × 160 × 80 mm \| Pack: 1 unit
	8US1921-1CE02	Component: Connection module N (5P system) \| Version: Connecting terminal 10-120 mm² \| Rating: 690 V AC / 600 V AC \| Size: 30 × 160 × 80 mm \| Pack: 1 unit
	8US1921-1CF02	Component: Connection module PE (5P system) \| Version: Connecting terminal 10-120 mm² \| Rating: 690 V AC / 600 V AC \| Size: 30 × 160 × 80 mm \| Pack: 1 unit
	8US1921-1CC02	Component: Connection module 3P \| Version: Connecting terminal 35-150 mm² \| Rating: 275 A IEC / 285 A UL \| Size: 90 × 160 × 115 mm \| Pack: 1 unit
	8US1615-5CK10	Component: Device adapter for 3RM1 starters/relays \| Version: With fuse module and DIN rail \| Rating: 16 A, 690 V AC \| Size: H 160 mm, 22.5 × 122 mm \| Pack: 4 units
	8US1215-5CS10	Component: Device adapter for 3RM1 starters/relays \| Version: With fuse module and DIN rail \| Rating: 16 A, 690 V AC \| Size: H 200 mm, 22.5 × 122 mm \| Pack: 5 units
	8US1621-2NJ02	Component: Universal adapter 1-pole (5P system) \| Rating: 32 A, 690 V AC, IEC \| Size: H 160 mm, 18 × 73 mm \| Pack: 12 units
	8US1651-5DK02	Component: Universal adapter (3P system) \| Rating: 32 A IEC / 25 A UL \| Size: H 160 mm, 45 × 63 mm \| Pack: 4 units
	8US1621-2FK02	Component: Universal adapter 1-pole (5P system) \| Rating: 63 A, 690 V AC, IEC \| Size: H 160 mm, 18 × 73 mm \| Pack: 12 units
	8US1624-2FK02	Component: Adapter 1-pole for 5SY MCBs \| Rating: 63 A, 690 V AC, IEC \| Size: H 160 mm, 18 × 82 mm \| Pack: 12 units
	8US1661-5FK02	Component: Universal adapter (3P system) \| Rating: 63 A IEC / 65 A UL \| Size: H 160 mm, 54 × 63 mm \| Pack: 4 units
	8US1613-4AU01	Component: Adapter for 3VA10/11 MCCBs (3P) \| Version: With latching function \| Rating: 144 A, 690 V AC, IEC \| Size: H 160 mm, 77 × 35 mm \| Pack: 1 unit
	8US1600-0RE02	Component: N module \| Version: Connecting terminal 1.5-16 mm² \| Rating: 690 V \| Size: 9 × 160 × 114 mm \| Pack: 12 units
	8US1600-0RF02	Component: PE module \| Version: Connecting terminal 1.5-16 mm² \| Rating: 690 V \| Size: 9 × 160 × 114 mm \| Pack: 12 units
	8US1620-5AK02	Component: Support module \| Size: 18 × 160 × 54 mm \| Pack: 6 units
	8US1998-2BH02	Component: Lateral module \| Size: 9 × 160 × 47 mm \| Pack: 12 units
	8US1998-1AA02	Component: Set of module connectors \| Version: For connecting adapters \| Pack: 100 units

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Siemens SENTRON 8US 60 mm compact busbar system (up to 360 A)