Speed relay ESRW Matsushima; Speed Relay is a safety sensor to monitor the operating speed; Accident Prevention; Material Loss Reduction; No Adjustment
| Model | ESRK-100 | ESRB-100 | ESRL-100 | ESRDP | ESRDP-200 | ESRM-100B | |
| Model Type | Flange type with shaft end key | Base type with shaft end key | Low-speed type with shaft end key | Dust-ignition proof type ; Touch roller | Dust-ignition proof type with shaft and key | Exlosion proof type d2G4 with shaft and key | |
| Max Allowable speed | 1800 rpm | 1800 rpm | 100 rpm | 300 m/min | 1800 rpm | 1800 rpm | |
| Speed up | Min Rated speed | 60 rpm | 60 rpm | 10 rpm | – | 60 rpm | 60 rpm |
| Min Actuating speed | 78 rpm | 78 rpm | 13.5 rpm | – | 78 rpm | 78 rpm | |
| Speed down | Min Rated speed | 86 rpm | 86 rpm | 14.3 rpm | ESRDP-103; ESRDP-303: 35m/min ESRDP-123; ESRDP-323: 53m/min |
86 rpm | 86 rpm |
| Min Actuating speed | 60 rpm | 60 rpm | 10 rpm | ESRDP-103; ESRDP-303: 24m/min ESRDP-123; ESRDP-323: 37m/min |
60 rpm | 60 rpm | |
| Contact capacity | AC250V 5A Resistance load DC125V 0.5A Resistance load |
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| Ambient temperature | −10° ~ +50°C | ||||||
| Protection class | IP55(Flange Type IP40) | ||||||
| Coating color | Munsell 7.5GY 6/10 | ||||||
| Tolerance | +/-10% | ||||||
| Shaft | New JIS key | ||||||
| Mass | 4.4kg | 7.0kg | 9.5kg | – | 7.5kg | 37kg | |
