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Fast Acting Brake Rectifier ZLKS-99-4 Motor Module
If you're sourcing brake rectifiers for motor control systems, you know how much a slow or unreliable brake response can cost — in downtime, safety risks, and equipment wear. The SNXRON ZLKS-99-4 is built specifically for industrial environments where stopping fast and stopping clean isn't optional.
This module converts 220V AC input to 99V DC output, delivering the precise voltage your electromagnetic brake coil needs to engage and release with consistency. Whether you're running conveyor lines, crane systems, hoisting equipment, or CNC machinery, this rectifier handles the job without complaint.
What's Inside — And Why It Matters
We manufacture these in-house, so we control every layer of quality:
- Pure copper wiring — not aluminum, not copper-clad. Real copper leads mean lower resistance, better heat handling, and longer service life under continuous cycling loads.
- Premium PBT housing — flame-retardant, dimensionally stable under heat, and tough enough for panel-mount industrial environments. No warping, no cracking.
- Epoxy-sealed body — as you can see in the image, the internals are fully potted. That keeps out moisture, dust, and vibration damage — exactly what factory floors throw at your components every day.
- Available in Diode type or MOSFET (FET) type — standard version for general braking, or fast-response version for applications where brake lag directly affects positioning accuracy or safety.
Two Versions, One Platform
| Version | Tipo de circuito | Brake Response | Best For |
|---|---|---|---|
| Standard | Diode Bridge | Normal | General conveyors, pumps, fans |
| Fast-Acting | MOSFET (FET) | Rapid / Short stop time | CNC, hoisting, precision positioning |
The fast-acting version uses a field-effect transistor circuit to bleed off the coil's stored energy much quicker than a diode-only design. In real-world use, this can cut stopping time by 60–80% compared to standard rectifiers — critical when you're working with overhead loads or servo-driven axes.
Electrical Specifications
| Parámetro | Valor |
|---|---|
| Modelo | ZLKS-99-4 |
| Tensión de entrada | 220V AC |
| Tensión de salida | 99V DC |
| Internal Circuit | Diode type / MOSFET type |
| Conductor | Pure copper lead wires |
| Material de la carcasa | High-grade PBT (flame retardant) |
| Protection | Fully epoxy potted |
| QC Status | Factory inspected & certified (合格) |
| Marca | SNXRON |
Also available: ZLKS-170-4 (380V AC input / 170V DC output) — shown in the image for reference. Ask us about the full series.
Where This Gets Used
From what our B2B customers actually deploy these in:
- Grúas puente y polipastos — fast braking prevents load drift the moment power is cut
- CNC machining centers — axis brakes need fast, repeatable engagement
- Packaging & conveyor lines — controlled stop timing keeps product handling accurate
- Elevator & lift mechanisms — safety-critical stopping requires zero tolerance for delayed engagement
- Industrial fans & blowers — electromagnetic brakes reduce coast-down time and mechanical wear
Manufacturing Advantage — Why Buy Direct From Us
We're not a trading company reselling someone else's product. We make these ourselves:
- Tooling and molds owned in-house — consistent dimensional tolerances batch to batch
- Copper wire wound and assembled on our own line — traceable quality, no outsourced shortcuts
- Epoxy potting done in-house — we control cure time, fill ratio, and seal integrity
- Each unit QC-inspected before shipment — label shows inspection pass stamp (you can see "合格/qualified" on the product label)
- OEM/ODM available — custom voltage outputs, labeling, or packaging for your brand
Mejores prácticas en campo
A few things experienced procurement teams and installation engineers consistently tell us matter:
- Match output voltage to your brake coil rating precisely. Running a 99V coil on unregulated DC causes premature coil burnout. Our output is calibrated and stable.
- Choose fast-acting (MOSFET) for any load-bearing or safety application. Standard diode types are fine for light-duty use, but for hoists or CNC, the faster brake engagement is worth the small price difference.
- Epoxy-potted = longer service life in dirty environments. Open-frame rectifiers in dusty or humid factories fail within months. Potted units routinely run 5+ years in the same conditions.
- Pre-wire with correct polarity. The label clearly marks input/output and polarity (红/red markings) — follow the wiring diagram to avoid reversed DC output, which can damage brake coils.
- Buy in matched batches. When replacing brake rectifiers across multiple machines, using the same production batch ensures consistent brake timing across your line.
Pregunta Frecuente
Can we get custom output voltages other than 99V DC?
Yes. We manufacture the full ZLKS series including 24V, 48V, 99V, 110V, 170V, and 205V DC outputs. If your brake coils require a different spec, send us the nameplate data and we'll confirm the right model or quote a custom run.
Q2: What's the actual difference between the diode version and the MOSFET fast-acting version?
The diode version uses a standard bridge rectifier — the brake coil releases energy slowly after power is cut, meaning longer stopping time. The MOSFET version adds an active discharge circuit that pulls down the coil voltage rapidly, cutting stopping time significantly. For overhead cranes, hoists, or CNC axes, we always recommend the fast-acting version.
What's the minimum order quantity, and can you support ongoing blanket orders?
We work with B2B customers on MOQs starting from small trial quantities up to full container loads. For regular procurement customers, we support scheduled blanket orders with reserved stock. Contact us to discuss your monthly or quarterly volume.
Do these carry any certifications, and can you provide test reports?
Each unit passes our in-house QC inspection (marked on label). We can provide batch test reports, and we support customers who need documentation for their own compliance or import requirements. CE-related documentation is available upon request depending on destination market.
How do we confirm this rectifier is compatible with our motor brake system?
Share your motor brake coil voltage rating, the AC supply voltage, and your application type (hoist, conveyor, CNC, etc.). Our technical team will confirm compatibility or recommend the correct model. We've supplied into dozens of motor brands and OEM equipment lineups — compatibility is rarely an issue.
📩 Ready to source? Send us your application specs and monthly volume — we'll respond with pricing and lead time within 24 hours.