LXLZ Note: This Product Provides Solutions for Parameter Customization And Application.
ZLQ-4DZ-BB Motor Brake Rectifier IP65 Sealed Module
If you’re sourcing rectifier modules for electromagnetic brake motors and keep running into oversized, poorly sealed units that fail in dusty or humid factory environments — this one’s built differently.
The ZLQ-4DZ-BB is a compact, sealed brake rectifier designed specifically for YEJ series electromagnetic brake motors. It converts AC input (200–440V) to a stable DC output (90–198V) to energize and release the motor brake coil reliably and fast. Whether you’re building motor control panels, assembling conveyor systems, or integrating brake motors into hoisting equipment, this module handles the rectification without taking up space or causing headaches on the production line.
We manufacture these in-house — from enclosure molding to circuit assembly — which means we control quality at every step and can support OEM/bulk orders with consistent specs.
Key Specifications (From Label & Product Data)
| Parameter | Value |
|---|---|
| Model | ZLQ-4DZ-BB |
| Brand | LZZL |
| Rectifier Type | Half-wave / Full-wave selectable |
| Input Voltage (AC) | 200V ~ 440V |
| Output Voltage (DC) | 90V ~ 198V |
| Output Current | 1A |
| Protection Rating | IP65 (Sealed enclosure) |
| Compatible Motor Standard | YEJ electromagnetic brake motors |
| Terminal Type | Screw terminal block (blue), 4-pole |
| Mounting | Panel/DIN rail mountable with integrated bracket |
| Protection Circuit | Input & output over-voltage / over-current protection built-in |
What You’re Actually Getting — Feature Breakdown
✅ Half-Wave + Full-Wave in One Module
Most cheap rectifiers lock you into one mode. The ZLQ-4DZ-BB supports both half-wave and full-wave rectification, giving you flexibility across different brake coil requirements without buying two SKUs. For equipment builders sourcing for multiple motor sizes, this matters.
✅ Wide Input Voltage Range: 200V to 440V
Works on both 200V and 400V power systems — covers single-phase and three-phase industrial environments across different regions. Less SKU fragmentation for international projects or multi-site factories.
✅ IP65 Sealed Enclosure
The black overmolded housing (visible in the image) isn’t just for looks. It’s fully sealed against dust ingress and water jets — standard requirement for motors running in food processing lines, outdoor equipment, woodworking shops, or any environment with airborne particles. The blue terminal block is the only exposed contact point, and it’s recessed enough to resist incidental splashing.
✅ Compact Form Factor
Small footprint means it installs directly onto or inside motor junction boxes and control panels without eating up space. From the image, you can see the integrated side-mount bracket — it clips or screws flush against a panel surface cleanly.
✅ Built-In Input/Output Protection Circuit
Surge events, reverse polarity on wiring mistakes, brief overvoltage from grid fluctuations — the internal protection circuit handles it. This reduces field failures and warranty returns, which matters when you’re buying for large-volume installations or resale.
✅ 4-Pole Screw Terminal Block
The blue terminal block visible in the image has 4 clearly separated connection points with screw fastening — no push-fit clips that loosen over time with vibration. Suitable for 1.5–2.5mm² wire in standard brake motor wiring.
Application Scenarios
This rectifier is the right fit for:
- YEJ Series Electromagnetic Brake Motors (most common use case — direct replacement or new assembly)
- Conveyor systems requiring precise stop positioning
- Hoisting & crane equipment where fail-safe braking is critical
- Packaging machinery with frequent start/stop cycles
- CNC and machine tool spindle motors with electromagnetic brakes
- Elevator & escalator auxiliary drives
- Woodworking and metalworking machines
Practical note from field use: In high duty-cycle applications (frequent braking, short intervals), the sealed IP65 housing helps manage heat retention — we recommend adequate panel ventilation spacing when mounting multiple units side by side. At 1A rated output, this unit covers the majority of standard YEJ brake motor coil ratings up to ~180W brakes.
Manufacturing Advantage — Why Source Direct From Us
We’re not a trading company. We manufacture the ZLQ-4DZ-BB from raw materials through finished product in our own facility under the LZZL brand.
- Mold and enclosure produced in-house — consistent housing dimensions across every batch
- PCB assembly and potting/sealing done internally — IP65 rating isn’t a sticker claim, it’s a process we control
- Component traceability — we can provide batch records for quality-sensitive buyers
- OEM labeling available — your brand, our module, same spec
- Customization support — different voltage ranges, terminal configurations, or enclosure colors available at MOQ
- Bulk pricing tiers — meaningful cost reduction starts at modest quantities, contact us for a tiered quote
FAQ
Is this a direct drop-in replacement for the standard YEJ motor brake rectifier?
Yes — the ZLQ-4DZ-BB is designed to meet YEJ electromagnetic brake motor standards for both mechanical mounting and electrical interface. The 4-pole terminal layout matches standard brake coil wiring. That said, always confirm your brake coil voltage rating against the output spec (90–198V DC) before ordering in bulk. If your coils run at a different voltage, contact us — we have other models.
What’s the minimum order quantity, and do you offer samples?
We support sample orders for qualified buyers — typically 5–10 pcs for initial evaluation. MOQ for production orders is negotiable depending on spec and destination. Reach out with your target quantity and we’ll work out pricing.
Can you do OEM / white-label versions with our brand on the label?
Yes. OEM labeling is straightforward for us since we produce the housings in-house. Custom label, custom packaging, and even minor spec adjustments (voltage range, current rating) are available with appropriate MOQ. Lead time for first OEM run is typically 3–4 weeks after spec confirmation.
How do you verify the IP65 rating — is it certified or self-declared?
is it certified or self-declared? Our IP65 rating follows IEC 60529 test standards — dust tight and protected against water jets. We conduct batch-level sealing tests in production. We can provide test reports on request. For buyers requiring third-party certification (CE, UL, etc.), please discuss requirements early as it affects lead time and cost.
What’s the failure mode if the rectifier fails — does it fail safe or fail open?
Good question, and one we get from safety-conscious buyers. In most fault conditions (overvoltage, over-current), the built-in protection circuit cuts output, which means the brake coil de-energizes and the brake engages (spring-applied brakes default to braking position). This is the preferred fail-safe behavior for hoisting and conveyor applications. We recommend discussing your specific safety requirements if the application is safety-critical.
📩 Ready to source? Send us your motor brake specs or annual volume — we’ll get back with pricing and lead time within 24 hours.