2904957

https://www.phoenixcontact.com/us/products/2904957 Safety relays - PSR-MS55-1NO-1DO-24DC-SC - 2904957 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) Safety relay for monitoring non-equivalent signal generators up to SILCL 3, Cat. 4, PL e, 2-channel, nonequivalent operation, manual, monitored start, 1 enabling current path, US = 24 V DC, fixed screw terminal block Why buy this product  Up to Cat.4/PL e according to ISO 13849-1, SILCL 3 according to IEC 62061  Low housing width of just 6.8 mm  Two-channel non-equivalent control  1 enabling current path, 1 digital signal output  Manual and monitored activation Key Commercial Data Packing unit 1 STK Weight per Piece (excluding packing) 80.000 g Custom tariff number 85371099 Country of origin Germany Technical data Note Utilization restriction EMC: class A product, see manufacturer's declaration in the download area Dimensions Width 6.8 mm Height 93.1 mm Depth 102.5 mm Ambient conditions 09/07/2016   Page 1 / 6 https://www.phoenixcontact.com/us/products/2904957 Safety relays - PSR-MS55-1NO-1DO-24DC-SC - 2904957 Technical data Ambient conditions Ambient temperature (operation) -40 °C ... 60 °C (observe derating) Ambient temperature (storage/transport) -40 °C ... 85 °C Max. permissible relative humidity (operation) 75 % (on average, 85% infrequently, non-condensing) Max. permissible humidity (storage/transport) 75 % (on average, 85% infrequently, non-condensing) Shock 15g Vibration (operation) 10 Hz ...150 Hz, 2g Maximum altitude ≤ 2000 m (Above sea level) Input data Rated control circuit supply voltage US 24 V DC -15 % / +10 % Power consumption at US typ. 1 W Rated control supply current IS typ. 42 mA Inrush current 4.5 A (Δt = 120 µs at Us) Current consumption < 5 mA (with Us/Ix to S12) < 5 mA (with Us/Ix to S13) < 10 mA (with Us/Ix at the start circuit) Voltage at input/start and feedback circuit 24 V DC -15 % / +10 % Typical response time < 175 ms Typical release time < 20 ms (when controlled via A1 or S12 and S13.) Recovery time < 500 ms Status display 2 x green LEDs Maximum switching frequency 0.5 Hz Max. permissible overall conductor resistance 150 Ω Filter time 1 ms (at A1 in the event of voltage dips at Us) max. 1.5 ms (at S12, S13; test pulse width) min. 7.5 ms (at S12, S13; test pulse rate) Test pulse rate = 5 x Test pulse width Output data Contact type 1 enabling current path Contact material AgSnO2 Minimum switching voltage 12 V AC/DC Maximum switching voltage 250 V AC/DC (Observe the load curve) Limiting continuous current 6 A (observe derating) Inrush current, minimum 3 mA Maximum inrush current 6A Sq. Total current 36 A (observe derating) Switching capacity min. 60 mW 2 09/07/2016   Page 2 / 6 https://www.phoenixcontact.com/us/products/2904957 Safety relays - PSR-MS55-1NO-1DO-24DC-SC - 2904957 Technical data Output data Output fuse 6 A gL/gG (N/O contact) 4 A gL/gG (for low-demand applications) Alarm outputs Number of outputs 1 (digital, PNP) Voltage 22 V DC (Us - 2 V) Current max. 100 mA Maximum inrush current 500 mA (Δt = 1 ms at Us) Short-circuit protection no General Relay type Electromechanical relay with forcibly guided contacts in accordance with IEC/EN 61810-3 (EN 50205) Mechanical service life 10 x 10 cycles Nominal operating mode 100% operating factor Net weight 69 g Mounting type DIN rail mounting Mounting position vertical or horizontal Degree of protection IP20 Min. degree of protection of inst. location IP54 Control Two-channel Housing material PBT Housing color yellow 6 Connection data Connection method Screw connection pluggable no Conductor cross section solid min. 0.2 mm² Conductor cross section solid max. 2.5 mm² Conductor cross section flexible min. 0.2 mm² Conductor cross section flexible max. 2.5 mm² Conductor cross section AWG min. 26 Conductor cross section AWG max. 12 Stripping length 12 mm Screw thread M3 Safety-related characteristic data Stop category 0 Designation IEC 61508 - High demand Safety Integrity Level (SIL) 3 09/07/2016   Page 3 / 6 https://www.phoenixcontact.com/us/products/2904957 Safety relays - PSR-MS55-1NO-1DO-24DC-SC - 2904957 Technical data Safety-related characteristic data Designation IEC 61508 - Low demand Safety Integrity Level (SIL) 3 Designation EN ISO 13849 Performance level (PL) e (4 A DC13; 5 A AC15; 8760 switching cycles/year) Category 4 Designation EN 62061 Safety Integrity Level Claim Limit (SIL CL) 3 Standards and Regulations Shock 15g Designation Air clearances and creepage distances between the power circuits Standards/regulations DIN EN 50178 Rated insulation voltage 250 V AC Rated surge voltage/insulation Safe isolation, reinforced insulation 6 kV between input circuit and enabling current path Basic insulation 4 kV between all current paths and housing Degree of pollution 2 Overvoltage category III Vibration (operation) 10 Hz ...150 Hz, 2g Conformance CE-compliant Drawings Block diagram A1 S12 S13 PSR-MS55 Block diagram S34 IN PWR 13 PSR-MS55 A1 S13 S34 K1 13 1 K1/K2 2 3 K2 24V DC K1 9 A2 M1 K1 14 8 4 K2 K2 5 7 6 8 A2 S12 M1 14 Key: 1 = Input circuit 2 = Voltage limitation 3 = Start circuit 4 = Control circuit channel 1 5 = Control circuit signal output 6 = Control circuit channel 2 7 = Start channel 1 and 2 09/07/2016   Page 4 / 6 https://www.phoenixcontact.com/us/products/2904957 Safety relays - PSR-MS55-1NO-1DO-24DC-SC - 2904957 8 = Channel 1 9 = Diagnostics K1, K2 = Force-guided elementary relays Circuit diagram 24V DC L S3 S2 K1 11 12 13 14 K2 A1 S34 S12 S13 ( ) ( ) ( ) 13 K1 PSR-MS55 ( ) A2 M1 K2 14 M K1 K2 0V N Classifications eCl@ss eCl@ss 5.1 27371901 eCl@ss 6.0 27371819 eCl@ss 8.0 27371819 eCl@ss 9.0 27371819 ETIM ETIM 5.0 EC001449 Approvals Approvals Approvals UL Listed / cUL Listed / Functional Safety / EAC / cULus Listed Ex Approvals Approval details 09/07/2016   Page 5 / 6 https://www.phoenixcontact.com/us/products/2904957 Safety relays - PSR-MS55-1NO-1DO-24DC-SC - 2904957 Approvals UL Listed  cUL Listed   http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324  http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324 Functional Safety   44-205-13755202 EAC   7500651.22.01.00244 cULus Listed    Phoenix Contact 2016 © - all rights reserved http://www.phoenixcontact.com 09/07/2016   Page 6 / 6