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Description
Modular protection relay with AVR interface.
Did you know
- The Basler Electric BE1-11m, a comprehensive multifunction protective relay for motor protection, was introduced on May 17, 2011. It is part of the broader BE1-11 digital protection system, which offers a single firmware adaptable to various applications.
- The BE1-11m is a specialized model within Basler Electric's BE1-11 series, focusing specifically on motor protection, control, monitoring, and metering for induction and synchronous motors. Other siblings in the BE1-11 family include the BE1-11f for feeder protection, BE1-11g for generator protection, BE1-11i for intertie protection, and BE1-11t for transformer protection.
- This model is chosen for its complete current-based thermal motor protection, which includes features like unbalanced current biasing, custom voltage-dependent curves, RTD biasing, and emergency start override. Its design also allows for easy retrofitting into existing S1 cutouts, simplifying replacements without panel modification.
| Model | Application | Key Protection Elements | Communication Ports |
|---|---|---|---|
| BE1-11m | Motor Protection | Multifunction current, voltage, frequency, power, differential protection, advanced thermal model, phase differential protection | Front USB, rear RS-485, Ethernet (RJ45 or fiber optic) |
| BE1-11g | Generator Protection | Generator protection, control, monitoring, metering, differential and synchronizer options | RS-485, fiber Ethernet, or copper Ethernet |
| BE1-11f | Feeder Protection | Distribution feeder protection, control, monitoring, metering, directional and nondirectional overcurrent, feeder management, load-shedding, reclosing functions | RS-485, fiber Ethernet, or copper Ethernet |
| DECS-450 | Digital Excitation Control System | Integrated generator protection (25, 27, 59, 81O/U, 32R, 40Q), field overvoltage, field overcurrent, overexcitation, underexcitation, stator current, var and underfrequency/V/Hz limiters | USB, Ethernet, CAN bus (for I/O expansion) |
Competitive Models
^ZVCX DSEA106
Original DSEA106 (pre-MKII, legacy service).
^ZVEF SE500
Higher-capacity analog AVR.
^ZVCU DSE0700 MKII
Pocket-size genset control.
^ZVAF SX421
Earlier shunt-excited variant, still serviced on older sets.
^ZVBH R731
Next-generation digital AVR.
Send enquiry
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Code map
^Z V D V │ │ │ └── Model: BE1-11m │ │ └───── Make: Basler Electric │ └──────── Equipment: Automatic Voltage Regulator └─────────── System: Automation Spares