| Sales | Phone/Whatsapp | |
| Jim Pei | [email protected] | +86 18020776782 |
| Model Number | 7UM5111-4CB01-0BB0/JJ |
| Product Series | 7UM511 |
| Product Type | Generator Protection Relay |
| Rated Current | 1 A |
| Rated Frequency | 50 / 60 Hz |
| Rated AC Voltage | 100 to 125 V AC |
| Auxiliary DC Voltage | 60 / 110 / 125 V DC |
| Connection Diagram | C73207-A298-X1-2-12 |
| Configuration Suffix | 4CB01-0BB0/JJ |
| Compliance Marking | CE marked |
| Operating Requirement | Operate only with fixed cover |
| Dimensions | 22.5 × 23.3 × 26.6 cm |
| Weight | 8.8 kg |
| Minimum Order Quantity | 1 Piece |
| Price | Contact for Jim |
| Packaging Details | Original new Factory Sealed |
| Delivery Time | 3–7 Days |
| Payment Terms | T/T |
| Shipping Method | DHL / FedEx / UPS / TNT |
| Supply Ability | Brand new, In Stock |
Siemens 7UM5111-4CB01-0BB0/JJ is a generator protection relay from the 7UM511 product series. Its manufacturer label identifies a 1 A rated current, 50/60 Hz frequency, and 100 to 125 V AC rated-voltage range. The auxiliary supply configuration is marked for 60, 110 or 125 V DC. Connection diagram C73207-A298-X1-2-12 belongs to this exact unit. Replacement selection must preserve the complete order suffix rather than using the shorter 7UM511 family name alone.
The 7UM5111-4CB01-0BB0/JJ is intended for generator and machine protection panels that already use the same Siemens relay configuration. Its role is to support protective monitoring and tripping logic within the engineered generator protection scheme. Before replacement, technicians should record terminal wiring, settings, auxiliary supply, current-transformer circuits and existing protection assignments. The fixed cover must be secured during operation as stated on the label. Exact configuration verification is essential because relays from the same family may use different electrical and interface options.
Supports an installed protection scheme for generators using the matching 7UM511 relay configuration.
Provides a replacement path for existing generator panels where the complete order code is already engineered.
Allows maintenance teams to retain the documented current, voltage and auxiliary-supply configuration.
Current and voltage inputs are supplied from the generator protection measurement circuits.
The relay evaluates the connected quantities according to the installed protection settings.
Configured logic determines whether an alarm or protective action is required.
The relay interfaces with the existing trip, indication and control circuits of the protection panel.
Using 7UM5111-4CB01-0BB0/JJ prevents substitution based only on the shorter 7UM511 family name.
Rated current, AC voltage, frequency and auxiliary DC options are visible on the exact unit label.
The C73207-A298-X1-2-12 reference supports wiring-document comparison during maintenance.
An exact verified spare helps preserve the commissioned generator protection arrangement.
The suffix identifies the installed configuration; another 7UM511 variant may not match its electrical or interface arrangement.
The label shows 1 A rated current, 50/60 Hz frequency and 100 to 125 V AC rated voltage.
The exact unit is marked for 60, 110 or 125 V DC auxiliary supply.
Record settings, terminal wiring, current and voltage circuits, trip outputs and connection-diagram references.
We begin verification and packing immediately after payment and provide tracking after pickup.
Yes. Request current unit photos and compare the full label, terminals and visible configuration before confirmation.
The company began in Xiamen, Fujian, China, with a four-person team serving selected European and North American automation customers. Early work centered on building product knowledge, dependable sourcing processes, and practical international trade experience.
By 2017, the team had grown to approximately 30 people and established a warehouse for in-stock automation components. The business expanded across Europe, North America, and Southeast Asia while sourcing capabilities widened to include scarce and discontinued industrial automation parts.
In 2026, a wider professional team supports customers worldwide from inquiry through sourcing, order coordination, delivery, and after-sales communication. The company continues to supply popular, hard-to-find, and discontinued automation components while building long-term international partnerships through responsible service.
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