Siemens SENTRON 5ST25 Distribution Blocks for DIN Rail (IEC/UL)

SENTRON 5ST25 distribution blocks for DIN-rail mounting according to IEC and UL for distributing power to multiple outgoing circuits.

Key features

4-pole IEC distribution blocks 80, 125 and 160 A at 690 V AC
1-pole IEC/UL distribution blocks 80 ... 350 A at 600 V AC (UL)
Multiple outputs per pole, screw terminals
SCCR 100 kA with class J overcurrent protection (IEC/UL types)
Connector and ring terminal lugs as accessories

Specifications

Brand	Siemens
Product line	SENTRON
Degree of protection	IP20
Ambient temperature	-25 ... +70 °C
Approved cable	Copper
Mounting	35 mm DIN rail
Source	Siemens Catalog LV 10 · 2026, p. 360-362

5ST2501		Type: Distribution block \| Poles: 4-pole \| Rated voltage: 690 V AC \| Rated current: 80 A \| Width: 5 MW \| Acc. to: IEC
5ST2502		Type: Distribution block \| Poles: 4-pole \| Rated voltage: 690 V AC \| Rated current: 125 A \| Width: 5.5 MW \| Acc. to: IEC
5ST2503		Type: Distribution block \| Poles: 4-pole \| Rated voltage: 690 V AC \| Rated current: 160 A \| Width: 9 MW \| Acc. to: IEC
5ST2504		Type: Distribution block \| Poles: 1-pole \| Rated voltage: 600 V AC \| Rated current: 80 A \| Width: 1.5 MW \| Acc. to: IEC and UL
5ST2505		Type: Distribution block \| Poles: 1-pole \| Rated voltage: 600 V AC \| Rated current: 125 A \| Width: 1.5 MW \| Acc. to: IEC and UL
5ST2507		Type: Distribution block \| Poles: 1-pole \| Rated voltage: 600 V AC \| Rated current: 160 A \| Width: 2 MW \| Acc. to: IEC and UL
5ST2508		Type: Distribution block \| Poles: 1-pole \| Rated voltage: 600 V AC \| Rated current: 250 A \| Width: 2.5 MW \| Acc. to: IEC and UL
5ST2511		Type: Distribution block \| Poles: 1-pole \| Rated voltage: 600 V AC \| Rated current: 350 A \| Width: 2.5 MW \| Acc. to: IEC and UL
5ST2506		Type: Connector, 1-phase, touch protected \| For: 5ST2505
5ST2510		Type: Terminal lug for ring terminal ends \| For: 5ST2508
5ST2512		Type: Terminal lug for ring terminal ends \| For: 5ST2511

Terminal BlocksSiemens

11 product codes available in this family

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Siemens SENTRON 5ST25 Distribution Blocks for DIN Rail (IEC/UL)

Brand Siemens·Terminal Blocks

Available part numbers (11)

5ST2501, 5ST2502, 5ST2503, 5ST2504, 5ST2505, 5ST2507, 5ST2508, 5ST2511, 5ST2506, 5ST2510 + 1 more — see full table ↓

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Siemens SENTRON 5ST25 Distribution Blocks for DIN Rail (IEC/UL)