Lenze EMB80/60-400 Power Supply 00714187
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Product Information
The Lenze EMB80/60-400 (part number 00714187) is a specialized fast-excitation brake power supply designed for driving electromagnetic brakes and clutches within the Lenze EMB product family. Powered by a standard 400V AC supply voltage at 50/60Hz, this unit optimizes the dynamic switching speed of spring-applied brakes and electromagnetic coils requiring an 80V/60V DC supply. When a switching signal is received, the unit delivers a high initial overexcitation voltage of 80V DC to overcome coil inductance rapidly, enabling quick mechanical engagement or release. Following this excitation period, the module automatically drops to a steady 60V DC holding voltage, maintaining engagement while significantly reducing electrical power dissipation and thermal load on the coil.
Designed for reliable panel mounting, the EMB80/60-400 utilizes integrated screw terminals for all AC supply inputs, control signal wiring, and DC coil output connections. Because the power module relies entirely on hardwired analog and relay switching control, no software parameterization, engineering tools, or complex commissioning procedures are required when placing a unit into service. Maintenance personnel can perform a direct physical swap without needing software licenses or communication cables. ABC Industrial Parts provides technical support for facilities managing spare parts for legacy industrial motion control systems.
System status can be monitored using the visual Ready / Output Status Indicator located on the unit. An unlit or abnormal indicator points to a loss of the 400V AC mains input, a blown internal fuse, or an internal hardware component fault. Diagnostic checks are straightforward using a standard multimeter across the screw terminals to verify the 400V AC input voltage and the dual-stage 80V DC excitation and 60V DC holding output voltages. If internal circuit components fail, board-level repairs are generally not feasible on-site, making a tested replacement module from ABC Industrial Parts the quickest route to restoring automated production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EMB80/60-400 |
| Model / Type | 00714187 |
| Component Type | Fast-Excitation Brake Power Supply |
| Product Family | EMB |
| Supply Voltage | 400 V AC |
| Overexcitation Voltage | 80 V DC |
| Holding Voltage | 60 V DC |
| Mounting Type | Panel / Mounting Plate |
| Terminal Type | Screw Terminals |
Diagnostics and Status Indication
The Lenze EMB80/60-400 includes a visual Ready / Output Status Indicator on the module front panel for immediate visual assessment. When the LED indicator is in a continuous off state or exhibits abnormal behavior, it alerts technicians to power supply issues or internal hardware failure.
First-line diagnostic verification involves taking standard multimeter voltage measurements directly at the screw terminals. Technicians should verify 400V AC across the input terminals and measure the DC voltage output across the brake coil connection during activation to confirm the transition from the initial 80V DC excitation pulse down to the 60V DC holding voltage.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready / Output Status Indicator | Continuous Off / Abnormal | Indicates missing AC supply voltage, blown internal fuse, or internal component hardware fault |
Replacement and Spare Part Considerations
Replacing a failed Lenze EMB80/60-400 (00714187) power supply is a straightforward mechanical and electrical process due to its fully hardwired construction. As the unit contains no digital parameter files, fieldbus configurations, or programmable microcontrollers, commissioning a replacement unit involves no software transfer, memory card swapping, or network address selection.
When installing a spare module, ensure that the incoming line voltage is verified at 400V AC 50/60Hz and that the connected brake or clutch coil matches the 80V/60V DC dual-voltage ratings. Secure mounting to the control panel plate and tight screw-terminal torque prevent intermittent connections that could compromise brake switching dynamics in continuous machinery applications.
Frequently Asked Questions
What is the primary function of the Lenze EMB80/60-400 power supply?
The Lenze EMB80/60-400 (00714187) is a fast-excitation power supply engineered to operate electromagnetic brakes and clutches. It accepts a 400V AC input and delivers a rapid initial 80V DC overexcitation voltage to overcome coil inductance quickly, before reducing the output to a steady 60V DC holding voltage to minimize coil heat generation.
Does replacing the EMB80/60-400 require software programming or parameter transfer?
No software configuration or parameter programming is required. The unit is fully hardwired, so replacing a unit simply requires disconnecting the incoming AC power and control connections and wiring the new unit to the corresponding screw terminals.
How can I diagnose a fault on the EMB80/60-400 module?
Check the Ready / Output Status Indicator. If the indicator remains off or behaves abnormally, test the incoming AC line terminals for 400V AC with a multimeter. If incoming power is present, measure the DC output across the brake terminals to check for the 80V DC excitation pulse and 60V DC holding output.
What causes the Ready / Output Status Indicator to stay off?
A continuous off condition indicates a loss of the 400V AC supply voltage, a blown internal fuse, or an internal component hardware fault within the power module.
How is the Lenze EMB80/60-400 physically mounted and connected?
The module is designed for panel or mounting plate installation inside standard industrial enclosures and utilizes robust screw terminals for all power, signal, and output wire connections.
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Specific firmware and hardware versions
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Disclaimer:
We are not an authorised distributor of Lenze.
Product photos are for illustration purposes only and may differ from the actual product delivered.
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