Lenze 13.120.65.0.2.0 Electromagnetic Spring-Applied Brake
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Product Information
The Lenze 13.120.65.0.2.0 is an electromagnetic spring-applied brake from the Lenze 13.120 series, model 13.120.65. Built for direct mounting on the non-drive end shield of Lenze AC asynchronous motors and DC drives, this fail-safe braking component performs as both a static holding brake and a rapid-response emergency stopping brake. In unpowered conditions, internal compression springs press continuously against the friction rotor to maintain brake holding torque. When the 24 V DC electromagnetic coil receives electrical power, the magnetic field pulls the armature plate toward the coil body, overcoming spring force to release the friction rotor and allow free motor shaft rotation.
Putting a replacement brake into service requires careful mechanical integration and alignment with the motor drive unit. Field technicians must verify that the operating power matches the 24 V DC coil supply rating and precisely calibrate the rotor air gap during mechanical assembly to guarantee disengagement. If converting power from an AC line, matching rectifier modules and spark suppressors are required to ensure controlled electromagnetic switching and protect coil insulation. Direct replacement units supported by ABC Industrial Parts allow maintenance personnel to maintain legacy drive assemblies without modifying existing mounting hardware.
Monitoring the operational state relies on physical inspection and measuring electrical input to the braking coil. If a motor fails to rotate or experiences drag, technicians should check for correct 24 V DC supply voltage at the coil terminals and confirm that the air gap is within specification. Incorrect air gap alignment or voltage drop can prevent full armature movement, leading to accelerated friction wear or accidental load slippage in inclined conveyors and material handling systems. When internal coil damage or structural wear occurs, sourcing a tested replacement or arranging repair through ABC Industrial Parts offers a fast path back to operational safety.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 13.120.65.0.2.0 |
| Model / Type | 13.120.65 Spring-Applied Brake |
| Product Family | 13.120 Series |
| Component Type | Electromagnetic Spring-Applied Brake |
| Supply Voltage | 24 V DC |
| Operating Principle | Fail-safe spring-applied engagement, electromagnetic release |
| Mounting Type | Direct mount on non-drive end shield |
| Brake Function | Holding brake / Emergency stop brake |
| Compatible Motor Types | Lenze AC asynchronous electric motors, Lenze DC electric motors |
| Recommended Successor Series | INTORQ BFK458 / Lenze BFK458 series |
Replacement and Spare Part Considerations
When maintaining legacy automation lines equipped with the Lenze 13.120.65.0.2.0 brake, obtaining direct-fit replacement parts ensures full mechanical and functional interchangeability. While the 13.120 series has been succeeded by the INTORQ BFK458 and Lenze BFK458 series, servicing existing machinery with the original 13.120.65.0.2.0 part number allows technicians to complete repairs without adapting end-shield mounting holes, shaft interfaces, or wiring arrangements in material handling, packaging, and conveyor systems.
During replacement, mechanical calibration is essential for reliable long-term performance. Technicians must verify that the coil power supply delivers a steady 24 V DC, measure and adjust the rotor air gap precisely during assembly, and fit recommended rectifier modules or spark suppressors whenever coil power is routed from AC mains. Proper gap adjustment prevents incomplete electromagnetic release, suppressing heat accumulation and preventing premature brake wear.
Frequently Asked Questions
What is the primary function of the Lenze 13.120.65.0.2.0 brake?
The Lenze 13.120.65.0.2.0 is a fail-safe electromagnetic spring-applied brake designed to provide static shaft holding and dynamic emergency stopping whenever power is removed or interrupted.
What power supply voltage does the 13.120.65.0.2.0 coil require?
The brake coil operates on a nominal supply voltage of 24 V DC.
How does the brake engage and disengage?
Internal compression springs push against the friction rotor to engage the brake automatically when power is off. When 24 V DC is applied to the coil, electromagnetic force attracts the armature plate, overcoming spring pressure and releasing the rotor.
Where is this brake mounted on an electric motor?
It mounts directly onto the non-drive end shield of compatible Lenze AC asynchronous and DC electric motors.
What is the recommended successor series for the Lenze 13.120 product line?
The recommended successor series is the INTORQ BFK458 / Lenze BFK458 spring-applied brake series.
What adjustments are required when installing a replacement brake?
Technicians must verify the 24 V DC supply voltage, precisely calibrate the specified rotor air gap during mechanical assembly, and install recommended rectifiers and spark suppressors if operating from an AC power line.
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Disclaimer:
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