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EMB9352-E Lenze Braking Module | 9350 Series Brake Chopper

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About the Product

Lenze EMB9352-E Brake Unit: Safe and Efficient Motor Braking

Control your machine's stopping power. The Lenze EMB9352-E is a 9350 series brake unit. It safely absorbs excess energy from decelerating motors. Essential for safe and controlled stops in your system.

  • Protects Your Drive: Prevents overvoltage on the DC bus during braking.
  • Handles High Power: Manages up to 32 kW of peak braking power.
  • Easy to Connect: Works with external brake resistors you choose.
  • Flexible Setup: Three voltage thresholds (375V, 725V, 765V) for different systems.
  • Fast Delivery: Shipped quickly via FedEx, UPS, or DHL.
  • Reliable Support: Your unit is protected by a 12-month warranty.

Technical Specifications

Model: Lenze EMB9352-E
Series: 9350 Standard Design
Type: Brake Chopper Module
DC Supply Voltage: 270 - 775 V DC
Continuous Current: 25 A DC
Peak Current (60 sec): 42 A DC
Switching Thresholds: 375 V, 725 V, 765 V DC
Peak Braking Power (at 765V): 32 kW
Continuous Braking Power (at 725V): 18 kW
Min. Brake Resistance: 18 Ω ±10% (for 725/765V)
Power Derating: 2% per °C above 40°C
Dimensions (WxHxD): 52 x 350 x 186 mm
Weight: 2.2 kg

FAQs for System Design

What does a brake unit do?
It protects frequency inverters by switching excess braking energy from the motor to an external resistor, preventing DC bus overvoltage faults.

How do I select the right brake resistor?
Choose a resistor with a value not less than the "Min. Brake Resistance" (e.g., 18Ω) and a power rating matching your application's braking energy.

Which switching threshold should I use?
Set the threshold on the Lenze EMB9352-E just above your system's normal DC bus voltage to activate braking only when needed.

Can it handle frequent stopping cycles?
For frequent braking, size the external resistor based on the "Continuous Braking Power" rating and duty cycle, not just the peak power.

Where should it be installed in the cabinet?
Mount it near the drive(s) on a well-ventilated panel. The brake resistor must be installed outside the control cabinet due to heat.

Warranty & Shipping Information

This Lenze EMB9352-E brake unit comes with a 12-month warranty. We ensure prompt and secure delivery using FedEx, UPS, and DHL.

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