SKU: R88M-1M20030T-BS2
Omron R88M-1M20030T-BS2 1S Servo Motor, 200 W, 100 VAC, 3000 rpm, with Brake
Omron R88M-1M20030T-BS2 1S-series AC servo motor, 200 W, 100 VAC, 3000 rpm, smooth shaft, with 24 VDC electromagnetic brake, for vertical-axis 1S servo applications.
USD 225.00 per unit, volume discounts available
- In stock, ships in 24h
- 100% genuine Omron
- 1-year manufacturer warranty
- Worldwide delivery
Key Features
- 200 W continuous output at 3000 rpm rated speed
- 100 VAC class (100–115 VAC)
- 17-bit incremental serial encoder
- 24 VDC spring-applied electromagnetic brake (engages on power-off)
- Smooth shaft (no keyway) for flexible coupling
- 50 mm frame (square flange)
- IP65 body, IP67 shaft seal
- Insulation class B
200 W 100 V 1S servo motor with brake
The Omron R88M-1M20030T-BS2 is a 200 W, 100 VAC, 3000 rpm member of the 1S-series servo motor family, with a 24 VDC electromagnetic brake. The "1M" prefix in the R88M ordering code denotes the 100 V class; "20030" is 200 W at 3000 rpm; "T" is the standard (non-oil-seal) shaft; "-BS2" denotes smooth shaft with electromagnetic brake.
The 1S family is Omron's compact, low-cost servo motor line, designed to pair with the 1S-series R88D-1SN and R88D-1M drives. It uses a 17-bit incremental serial encoder (4,096 counts / rev with ×4 quadrature in the drive), and the motor body carries a keyway and a 24 VDC brake that engages when the brake power is removed.
The brake version (-BS2) is intended for vertical-axis and Z-axis applications where the load must be held in place when the servo is de-energised. The brake is spring-applied, electrically released — fail-safe on power loss. Brake power is 24 VDC, drawn from a dedicated brake-release supply on the drive (do not power the brake from the logic supply).
The 100 V class is common in Japan and parts of Asia, and on small 100 V control transformers in industrial panels. In Europe and the Americas, the 200 V class is the standard.
Typical Applications
- Vertical-axis and Z-axis applications where load holding is required
- Compact 200 W pick-and-place axes
- Small indexing tables and rotary fixtures
- Labelling and dispensing heads on packaging lines
- Bench-top laboratory automation
Buying Checklist
- Match the motor voltage class (100 V) to the drive voltage class (R88D-1M family) — never mix 100 V and 200 V
- Confirm the brake voltage (24 VDC) matches your brake-release supply
- For keyed shaft, choose the -BS2K variant; for oil seal, add the O-seal suffix
- Use a flexible coupling rated for the 8 mm shaft and your side-load
- Plan a brake-release delay in the drive's safety logic — sudden brake release under load can cause a position error
Technical Specifications
| Series | 1S (R88M-1M) |
|---|---|
| Model | R88M-1M20030T-BS2 |
| Motor type | AC servo motor, low-inertia |
| Rated output | 200 W |
| Rated speed | 3,000 rpm |
| Rated voltage | 100 VAC class (100–115 VAC, single-phase) |
| Rated torque | 0.64 N·m |
| Peak torque | 1.91 N·m (3× rated) |
| Rated current | ≈ 2.0 A (per-phase) |
| Encoder | 17-bit incremental serial |
| Shaft | Smooth (no keyway) |
| Brake | 24 VDC spring-applied electromagnetic brake |
| Brake holding torque | ≥ rated torque |
| Frame size | 50 mm square flange |
| Shaft diameter | 8 mm |
| Mass | ≈ 0.9 kg (with brake) |
| Protection | IP65 (body), IP67 (shaft) |
| Insulation class | Class B |
| Operating temperature | 0 °C to +40 °C |
Frequently Asked Questions
What drive pairs with this motor?
The R88D-1M20030T-S2 or R88D-1M20030T-BS2 — the matching 100 V 200 W drive in the MECHATROLINK-II or EtherCAT family. Always match the voltage class.
Why does this motor have a brake?
For vertical-axis / Z-axis applications where the load has to be held in place when the servo is de-energised. The brake is spring-applied and electrically released at 24 VDC — so if power is lost, the brake engages and the load is held.
Is the brake powered from the drive or from a separate supply?
The 1S drives provide a dedicated 24 VDC brake output. You do not need a separate brake supply; just route the drive's brake terminals to the motor's brake wires. The drive controls brake release / engage in sync with servo enable.
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