SSW303HV-2S
SSW303HV-2S
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- Standstill detection time 2s
- Fail-safe standstill monitors
- 3 safety contacts
- 3 Signalling contacts
- Sensor-free detection of standstill by monitoring e.m.f.
- Direct connection to three-phase motors
- Motor voltage range 0 ... 690 V
Ordering data
| Product type description |
SSW303HV-2S |
| Article number (order number) |
103037586 |
| EAN (European Article Number) |
4030661546438 |
| eCl@ss number, version 12.0 |
27-37-18-19 |
| eCl@ss number, version 11.0 |
27-37-18-19 |
| eCl@ss number, version 9.0 |
27-37-18-19 |
| ETIM number, version 7.0 |
EC001449 |
| ETIM number, version 6.0 |
EC001449 |
Approvals - Standards
| Certificates |
cULus CCC |
General data
| Standards |
EN IEC 62061 EN ISO 13849-1 EN IEC 60947-5-1 EN IEC 60947-5-3 EN IEC 60947-5-5 EN IEC 61508 EN IEC 60204-1 EN IEC 60947-1 |
| Climatic stress |
EN 60068-2-78 |
| Housing material |
Glass-fibre, reinforced thermoplastic |
| Gross weight |
500 g |
General data - Features
| Wire breakage detection |
Yes |
| Feedback circuit |
Yes |
| Automatic reset function |
Yes |
| Earth connection detection |
Yes |
| Integral system diagnostics, status |
Yes |
| Number of auxiliary contacts |
3 |
| Number of LEDs |
5 |
| Number of safety contacts |
3 |
Safety classification
| Standards |
EN ISO 13849-1 EN IEC 61508 |
| Mission time |
20 Year(s) |
| Common Cause Failure (CCF), minimum |
65 |
| Stop-Category |
0 |
Safety classification - Relay outputs
| Performance Level, stop 0, up to |
e |
| Category, Stop 0 |
4 |
| Diagnostic Coverage (DC) Level, Stop 0 |
≥ 99 % |
| PFH value, Stop 0 |
2.00 x 10⁻⁸ /h |
| Safety Integrity Level (SIL), Stop 0, suitable for applications in |
3 |
Mechanical data
| Mechanical lifetime, minimum |
10,000,000 Operations |
| Mounting |
Snaps onto standard DIN rail to EN 60715 |
Mechanical data - Connection technique
| Terminal designations |
IEC/EN 60947-1 |
| Termination |
rigid or flexible Screw connection, plug-in |
| Cable section, minimum |
0.25 mm² |
| Cable section, maximum |
2.5 mm² |
| Tightening torque of Clips |
0.6 Nm |
Mechanical data - Dimensions
| Width |
45 mm |
| Height |
120 mm |
| Depth |
121 mm |
Ambient conditions
| Degree of protection of the enclosure |
IP40 |
| Degree of protection of the installation space |
IP54 |
| Degree of protection of clips or terminals |
IP20 |
| Ambient temperature |
-25 ... +55 °C |
| Storage and transport temperature |
-40 ... +85 °C |
| Resistance to vibrations |
5 ... 9 Hz, Amplitude 3.5 mm |
| Restistance to shock |
30 g / 11 ms |
Ambient conditions - Insulation values
| Rated impulse withstand voltage Uimp |
8 kV |
| Rated impulse withstand voltage Uimp, relay output |
6 kV |
| Degree of pollution |
2 |
Electrical data
| Operating voltage |
24 VDC -10 % / +20 % |
| Operating voltage |
24 ... 230 VAC |
| Ripple voltage |
10 % |
| Type of voltage range |
AC |
| Rated operating voltage |
24 VDC |
| Rated operating voltage |
24 ... 230 VAC |
| Rated AC voltage for controls, 50 Hz, minimum |
21.6 VAC |
| Rated control voltage at AC 50 Hz, maximum |
253 VAC |
| Rated AC voltage for controls, 60 Hz, minimum |
21.6 VAC |
| Rated control voltage at AC 60 Hz, maximum |
253 VAC |
| Electrical power consumption, maximum |
4 W |
| Electrical power consumption, maximum |
8.5 VA |
| Contact resistance, maximum |
0.1 Ω |
| Note (Contact resistance) |
in new state |
| Drop-out delay in case of "emergency stop", maximum |
15 ms |
| Pull-in delay at automatic start (after detecting standstill), approx. |
2,000 ms |
| Material of the contacts, electrical |
AgSn0 + Au, self-cleaning, positive drive |
Electrical data - Safe relay outputs
| Voltage, Utilisation category AC-15 |
230 VAC |
| Current, Utilisation category AC-15 |
6 A |
| Voltage, Utilisation category DC-13 |
24 VDC |
| Current, Utilisation category DC-13 |
6 A |
| Switching capacity, minimum |
10 VDC |
| Switching capacity, minimum |
10 mA |
| Switching capacity, maximum |
250 VAC |
| Switching capacity, maximum |
6 A |
Electrical data - Digital inputs
| Conduction resistance, maximum |
40 Ω |
Electrical data - Relay outputs (auxiliary contacts)
| Switching capacity, maximum |
24 VDC |
| Switching capacity, maximum |
2 A |
Electrical data - Electromagnetic compatibility (EMC)
| EMC rating |
EMC-Directive |
Status indication
| Indicated operating states |
OUT, green: release switching condition UB: Supply voltage on ERR: Error functional defect |
Other data
| Note (applications) |
safe standstill monitoring |
Note
| Note (General) |
Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit. |
Language filter
Datasheet
Operating instructions and Declaration of conformity
UL Certificate
CCC certification
Download the latest version of Adobe Reader
Product picture (catalogue individual photo)
ID: kssw3f01
| 1.2 MB | .jpg | 352.425 x 608.894 mm - 999 x 1726 px - 72 dpi
| 76.7 kB | .png | 74.083 x 127.706 mm - 210 x 362 px - 72 dpi
| 53.4 kB | .jpg | 71.614 x 123.47200000000001 mm - 203 x 350 px - 72 dpi
| 39.7 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi
| 10.0 MB | .png | 169.333 x 292.35400000000004 mm - 2000 x 3453 px - 300 dpi
Wiring example
K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, 42279 Wuppertal
The details and data referred to have been carefully checked. Images may diverge from original. Further technical data can be found in the manual. Technical amendments and errors possible.
Generated at: 18/04/2026, 18:05
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