PSR-MS60-2NO-24DC-SC - Safety relays

2904958

Safety relay for emergency stop, safety doors, and light grids up to SIL 3, Cat. 4, PL e, 1 or 2-channel operation, automatic start, 2 enabling current paths (1-channel), U_S = 24 V DC, fixed screw terminal block

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Commercial Data

Item number	2904958
Packing unit	1 pc
Minimum order quantity	1 pc
Sales Key	DN01
Product Key	DNA171
Catalog Page	Page 219 (C-6-2019)
GTIN	4046356904889
Weight per Piece (including packing)	87 g
Weight per Piece (excluding packing)	68.188 g
Customs tariff number	85371098
Country of origin	DE

Classifications

Approvals

Environmental Product Compliance

Compatible Products

Accessories

Your advantages

Up to Cat. 4/PL e in accordance with EN ISO 13849-1, SIL 3 in accordance with IEC 62061

Low housing width of just 6.8 mm

2 channel control

2 single-channel enabling current paths

Automatic activation

Product type	Safety relays
Product family	PSRmini
Application	Emergency stop
		Safety door
		Light grid
		Solenoid switch
		Transponder
Relay type	Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3
Times
Typical response time	< 175 ms
Typ. starting time with U_s	< 250 ms (when controlled via A1)
Typical release time	< 20 ms (when controlled via A1 or S12 and S22.)
Recovery time	< 500 ms

Nominal operating mode	100% operating factor
Air clearances and creepage distances between the power circuits
Rated insulation voltage	250 V AC
Rated insulation voltage		250 V AC
Rated surge voltage/insulation	Safe isolation, reinforced insulation 6 kV between input circuit and enabling current path (13/14) and enabling current path (23/24) Basic insulation 4 kV between all current paths and housing
Supply
Designation	A1/A2
Rated control circuit supply voltage U_S	20.4 V DC ... 26.4 V DC
Rated control circuit supply voltage U_S	24 V DC -15 % / +10 %
Rated control supply current I_S	typ. 40 mA
Power consumption at U_S	typ. 0.96 W
Inrush current	4.5 A (Δt < 120 µs at U_s)
Filter time	1 ms (at A1 in the event of voltage dips at U_s)
Protective circuit	Surge protection; Suppressor diode
Protective circuit		Protection against polarity reversal for rated control circuit supply voltage

Digital: Sensor circuit (S12, S22)
Description of the input	safety-related sensor inputs
Input voltage range "0" signal	0 V DC ... 5 V DC (for safe Off; at S12 and S22)
Input current range "0" signal	0 mA ... 2 mA (for safe Off; at S12 and S22)
Inrush current	< 20 mA (with U_s/I_xto S12)
Inrush current		< 20 mA (with U_s/I_xto S22)
Filter time	max. 1.5 ms (Test pulse duration)
		min. 7.5 ms (Test pulse rate)
		Test pulse rate = 5 x Test pulse width
Max. permissible overall conductor resistance	150 Ω
Voltage at input/start and feedback circuit	24 V DC -15 % / +10 %
Current consumption	< 5 mA (with U_s/I_xto S12)
Current consumption		< 5 mA (with U_s/I_xto S22)

Relay: Enabling current path (13/14, 23/24)
Output description	safety-related N/O contacts (1-channel)
Number of outputs	2 (undelayed)
Contact type	2 enabling current paths
Contact material	AgSnO₂
Switching voltage	min. 12 V AC/DC
Switching voltage		max. 250 V AC/DC (Observe the load curve)
Switching capacity	min. 60 mW
Inrush current	min. 3 mA
Inrush current		max. 6 A
Limiting continuous current	6 A (observe derating)
Sq. Total current	72 A² (observe derating)
Switching frequency	max. 0.5 Hz
Mechanical service life	10x 10⁶ cycles
Output fuse	6 A gL/gG (N/O contact)
Output fuse		4 A gL/gG (for low-demand applications)

Connection technology
pluggable	no
Conductor connection
Connection method	Screw connection
Conductor cross section rigid	0.2 mm² ... 2.5 mm²
Conductor cross section flexible	0.2 mm² ... 2.5 mm²
Conductor cross-section AWG	24 ... 12
Stripping length	12 mm
Screw thread	M3

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Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-MS60-2NO-24DC-SC - Safety relays

2904958

Product Details

ECLASS

ETIM

UNSPSC

EAC

UL Listed

cUL Listed

Functional Safety

Compatible Products

Your advantages

Status display	2 x green LEDs
Operating voltage display	1 x green LED

Safety data
Stop category	0
Safety data: EN ISO 13849
Category	4
Performance level (PL)	e (4 A DC13; 5 A AC15; 8760 switching cycles/year)
Safety data: IEC 61508 - High demand
Safety Integrity Level (SIL)	3
Probability of a hazardous failure per hour (PFH_D)	1.5 x 10^-9 (4 A DC13; 5 A AC15; 8760 switching cycles/year)
Proof test interval	240 Months
Duration of use	240 Months
Safety data: IEC 61508 - Low demand
Safety Integrity Level (SIL)	3
Probability of a hazardous failure on demand (PFD_AVG)	1.47 x 10^-4
Proof test interval	60 Months
Duration of use	240 Months

Ambient conditions
Degree of protection	IP20
Min. degree of protection of inst. location	IP54
Ambient temperature (operation)	-40 °C ... 55 °C (observe derating)
Ambient temperature (storage/transport)	-40 °C ... 85 °C
Maximum altitude	≤ 2000 m (Above sea level)
Max. permissible humidity (storage/transport)	75 % (on average, 85% infrequently, non-condensing)
Max. permissible relative humidity (operation)	75 % (on average, 85% infrequently, non-condensing)
Shock	15g
Vibration (operation)	10 Hz ... 150 Hz, 2g

Air clearances and creepage distances between the power circuits
Standards/regulations	EN 60947-1

Mounting type	DIN rail mounting
Assembly instructions	See derating curve
Mounting position	vertical or horizontal
Connection method	Screw connection


REACh SVHC	Lead 7439-92-1

China RoHS	Environmentally Friendly Use Period = 50 years
		For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

Width	6.8 mm
Height	93.1 mm
Depth	102.5 mm

CE
Certificate	CE-compliant

ECLASS-11.0	27371819
ECLASS-13.0	27371819
ECLASS-12.0	27371819

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-MS60-2NO-24DC-SC - Safety relays 2904958

Product Details

ECLASS

ETIM

UNSPSC

Compatible Products

ZBF 6:UNBEDRUCKT - Zack Marker strip, flat 0808710

Your advantages

PSR-MS60-2NO-24DC-SC - Safety relays

2904958