Motoriduttore SEW WA10-DT56M4

2. Key Technical Specifications ⚙️
3. Gear Unit Data

Tipo: SPIROPLAN® right-angle helical gear reducer (wear-free steel-on-steel drive)

Output: Hollow shaft (WA = hollow shaft with key)

Massimo. output torque: 25 Nm

Ratio range: Multiple options available (per esempio. 14.33:1, output speed approx. 91–98 rpm)

Montaggio: B5 flange mounting (standard)

Lubrication: Lifetime lubrication (maintenance-free)

Protection class: IP54/IP55 (standard)

2. Motor Data

Energia: 0.09–0.12 kW (90–120 W)

Poli: 4-palo

Rated speed: ca. 1300–1400 rpm (50 Hz), 1600–1700 rpm (60 Hz)

Voltage: 230/400 V (50 Hz), 200/230/460 V (60 Hz)

Current: ca. 0.46–0.80 A (50 Hz)

Efficiency class: IE1 to IE4 available (DT series supports all classes)

Protection class: IP54/IP55

Peso: ca. 5.5 kg

3. Structural Features 🏗️
4. Compact design: SPIROPLAN® drive technology delivers high torque in small dimensions
5. Low-noise operation: Special tooth flank design ensures smooth, quiet running
6. Versatile mounting: No oil level adjustment required for any mounting position
7. Modular system: Combinable with various SEW motors and accessories (per esempio. BMG brakes, encoders)
8. Alta affidabilità: Lifetime lubrication, nearly maintenance-free, suitable for continuous operation
9. Application Areas 📦

Suitable for light-duty, space-restricted right-angle drive applications:

Small conveying systems (belt conveyors, roller conveyors)

Packaging machinery (labelers, filling machines)

Food and beverage industry (light agitators)

Automation equipment (small robots, automatic doors)

Medical devices (laboratory automation)

5. Series Equivalents & Alternatives 🆚
6. Same-Size SEW W-Series Models

2. Replacement Models

Upgraded alternative: WA20 DT71M4 (larger size, max. coppia 45 Nm, power 0.18–0.25 kW)

Brand alternatives:

Siemens: SIMOGEAR right-angle gearmotor combinations

Bonfiglioli: 300 series right-angle gear reducers

Chinese brands: JIE, GUOMAO and equivalent right-angle gear units

6. Selection Notes 📌
7. Verify that gear ratio and output torque meet load requirements
8. Select appropriate motor power and efficiency class (IE3/IE4 for higher energy savings)
9. Consider optional functions:

BMG: Brake (fail-safe braking)

HR: Heating element (moisture protection)

TF: Temperature sensor

Encoder / tachometer motor

4. Check that mounting dimensions and hollow shaft diameter match equipment interface

Complete List of SEW WA Series (SPIROPLAN® Right-Angle Hollow Shaft) Gear Units

1. WA Series Overview 📝

The SEW WA series consists of SPIROPLAN® right-angle hollow shaft gear units, part of the W-series compact right-angle drive solution. It features wear-free steel-on-steel SPIROPLAN® gearing, lightweight die-cast aluminum housing, and lifetime lubrication for maintenance-free operation. Ideal for space-limited right-angle drives. WA denotes hollow shaft output with keyway (W = right-angle, A = keyed hollow shaft).

2. Full Size List 🔍

The SEW WA series includes 5 frame sizes with multiple mounting and configuration options:

3. Detailed Specifications by Size ⚙️

WA10

Massimo. output torque: 25 Nm

Ratios: 6.75, 7.50, 8.25, 9.00, 10.00, 11.25, 12.50, 14.33, 16.00, 18.00, 20.00, 22.40, 25.00, 28.00, 31.50, 35.50, 40.00, 45.00, 50.00, 56.00, 63.00, 71.00, 75.00

Compatible motors: DT56M4 (90–120 W), DRN56M4, ecc.

Peso: ca. 5.5 kg

Protezione: IP54/IP55

Caratteristiche: Smallest size, light duty, extremely low noise

WA20

Massimo. output torque: 40 Nm

Ratios: 6.57, 7.10, 7.50, 8.00, 9.00, 10.00, 11.20, 12.50, 14.00, 16.00, 18.00, 20.00, 22.40, 25.00, 28.00, 31.50, 35.50, 40.00, 45.00, 50.00, 56.00, 63.00, 71.00, 75.00

Compatible motors: DT63M4 (0.18–0.25 kW), DRN63M4, ecc.

Peso: ca. 7.2 kg

Protezione: IP54/IP55

Caratteristiche: Medium light duty, widely used in small conveying systems

WA30

Massimo. output torque: 70 Nm

Ratios: Same as WA20

Compatible motors: DT71M4 (0.37–0.55 kW), DRN71M4, ecc.

Peso: ca. 9.8 kg

Protezione: IP54/IP55

Caratteristiche: Medium duty, suitable for medium-size machinery

WA37

Massimo. output torque: 110 Nm

Ratios: 3.20, 3.55, 4.00, 4.50, 5.00, 5.60, 6.30, 7.10, 8.00, 9.00, 10.00, 11.20, 12.50, 14.00, 16.00, 18.00, 20.00, 22.40, 25.00, 28.00, 31.50, 35.50, 40.00, 45.00, 50.00, 56.00, 63.00, 69.05

Compatible motors: DT80M4 (0.75–1.1 kW), DRN80M4, DT90L4 (1.5 kW), ecc.

Peso: ca. 15.3 kg

Protezione: IP54/IP55

Caratteristiche: Medium-heavy duty, shaft-mount design available, ideal for food & beverage

WA47

Massimo. output torque: 180 Nm

Ratios: 3.27, 3.55, 4.00, 4.50, 5.00, 5.60, 6.30, 7.10, 8.00, 9.00, 10.00, 11.20, 12.50, 14.00, 16.00, 18.00, 20.00, 22.40, 25.00, 28.00, 31.50, 35.50, 40.00, 45.00, 50.00, 56.00, 63.00, 71.00, 74.98

Compatible motors: DT90L4 (1.5 kW), DT100L4 (2.2 kW), DT112M4 (3.0 kW), ecc.

Peso: ca. 22.5 kg

Protezione: IP54/IP55

Caratteristiche: Largest WA size, for heavy loads, shaft-mount design for hygienic applications

4. Comparison of Similar W-Series Models 🆚

5. Caratteristiche principali & Benefits ✅
6. Wear-free gearing: SPIROPLAN® steel-on-steel meshing, low friction loss, high efficiency
7. Lifetime lubrication: Factory-filled synthetic oil, maintenance-free, reduces operating costs
8. Lightweight & compact: Aluminum housing, low weight, saves installation space
9. Universal mounting: W10–W30 require no oil adjustment regardless of orientation
10. Modular flexibility: Combinable with SEW motors (DT/DRN asynchronous, servos) and options (BMG brake, encoder, HR heater)
11. Low-noise operation: Optimized tooth geometry for quiet running in noise-sensitive environments
12. Recommended Applications 📦

7. Selection Guidelines 📌
8. Confirm output torque: Select size based on load; recommend 1.2–1.5× safety factor
9. Choose gear ratio: Calculate from required output speed (output speed = motor speed ÷ ratio)
10. Verify hollow shaft diameter: Ensure compatibility (WA10:15mm, WA20:20mm, WA30:25mm, WA37:30mm, WA47:35mm)
11. Consider mounting type: B5 flange or foot; shaft-mount available for WA37/WA47
12. Optional functions:

BMG: Fail-safe brake

Encoder: Speed feedback & precision control

HR: Heating element (humid environments)

TF: Temperature sensor (overheat protection)

SEW WA Series (SPIROPLAN® Right-Angle Hollow Shaft) Price Guide (March 2026)

1. Price Overview (New Original) 💰

Prices vary by size, motor configuration, options, and supply channel. All ranges are tax-included RMB (excluding shipping):

2. Detailed Price Breakdown by Size ⚙️

WA10

Base model: WA10-DT56M4 (0.12 kW, 4-palo): ¥1,200–¥1,500

With options:

BMG brake: +¥300–¥400 (≈¥1,500–¥1,900)

Encoder: +¥200–¥300 (≈¥1,400–¥1,800)

HR heater: +¥100–¥150 (≈¥1,300–¥1,650)

International reference: $170–220

WA20

Base model: WA20-DT63M4 (0.18 kW, 4-palo): ¥1,500–¥1,900

International reference: $220–280

DRN motor version: WA20-DRN71MS4: ¥1,800–¥2,200

WA30

Base model: WA30-DT71M4 (0.37 kW, 4-palo): ¥1,800–¥2,300

DRN motor version: WA30-DRN71M4: ¥2,000–¥2,800

With BE1B brake: +¥400–¥500 (≈¥2,200–¥2,800)

WA37

Base model: WA37-DT80M4 (0.75 kW, 4-palo): ¥2,500–¥3,000

1.5 kW version: WA37-DT90L4: ¥2,800–¥3,500

With TH/V option package: WA37-DRS71M4/TH/V: ¥2,700–¥3,800

WA47

Base model: WA47-DT90L4 (1.5 kW, 4-palo): ¥3,200–¥3,800

2.2 kW version: WA47-DT100L4: ¥3,500–¥4,200

3.0 kW version: WA47-DT112M4: ¥3,800–¥4,800

3. Used / Stock Price Reference 📦

4. Factors Affecting Price ⚖️
5. Motor configuration

DT (standard) < DRN (high-efficiency) < DRS (brake motor)

Price increases with power: 0.09 kW < 0.12 kW < 0.18 kW < … < 3.0 kW

2. Optional equipment (price increase)

BMG brake: +15–25%

Encoder: +10–20%

HR heater: +5–10%

TF sensor: +8–15%

IP65 upgrade: +10–15%

3. Purchase channel

Authorized distributors: Stable pricing, full warranty (12–24 months), higher cost

Secondary dealers: 5–15% lower; verify authenticity & warranty

Piattaforme online (1688 / Taobao): 10–20% lower; risk of refurbished/counterfeit units

Bulk orders (≥5 units): 8–15% discount

4. Other factors

German-made units: 20–30% higher than Suzhou-built

Special voltage/frequency: +10–20%

Express delivery (<7 days): +15–30%

5. Purchasing Recommendations 🛒
6. Prefer official channels: Purchase through SEW authorized distributors to ensure genuine units and full warranty
7. Clarify configuration: Confirm power, ratio, and options (brake, encoder) in advance to avoid surcharges
8. Compare quotes: Obtain offers from 2–3 distributors and compare total cost (shipping, installation)
9. Consider total cost of ownership: Higher initial cost offset by lifetime maintenance-free operation
10. Spare parts strategy: Stock 1–2 units for critical machinery to minimize downtime
11. Alternative Price Comparison 🆚