Phoenix Contact
2903255
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Description
Multifunctional safety relay for emergency stop and safety doors up to SIL 3, Cat. 4, PL e, automatically or manually monitored activation, 4 N/O contacts, 3 safety functions, 2 shutdown levels, pluggable Push-in terminal block- Country of Origin
- DE
- Part Number
- 2903255
- Tariff Code
- 85371098
- EAN
- 4046356729796
- UPC
- 4046356729796
- ETIM
- Group Code : EG000019
- Group Description : Relays
- Class Description : Device for monitoring of safety-related circuits
- Class Code : EC001449
- Version : 7
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Input data
- Nominal input voltage UN
- 24 V DC
- Input voltage range in reference to UN
- 0.85 - 1.1
- Typical input current at UN
- 125 mA (with actuated relays)
- Typical input current at UN
- 55 mA (Two-channel 24 V/0 V + max. 200 mA control (message outputs 32/62) with non-actuated relays)
- Current consumption
- typ. 5 mA (Imax/Ix inputs)
- Current consumption
- 20 mA (in electric torque)
- Voltage at input/start and feedback circuit
- 24 V -15 %; +10 % (first channel: 24 V; second channel: 0 V)
- Typical response time
- 175 ms (monitored/manual start)
- Typical response time
- 250 ms (automatic start)
- Typ. starting time with Us
- 250 ms (when controlled via A1)
- Typical release time
- 25 ms (when controlled via S11/S12 and S21/S22)
- Typical release time
- 20 ms (when controlled via A1)
- Concurrence input 1/2
- ∞
- Recovery time
- 1 s (Availability time after activation of sensor circuit: 100ms)
- Operating voltage display
- 1 x green LED
- Status display
- 5x LED green
- Protective circuit
- Surge protection Suppressor diode
- Maximum switching frequency
- 0.5 Hz
- Max. permissible overall conductor resistance
- 100 Ω
- Filter time
- max. 1.5 ms (Test pulse duration; for all equivalent inputs)
- Filter time
- min. 7.5 ms (Test pulse rate; for all equivalent inputs)
Note
- Utilization restriction
- EMC: class A product, see manufacturer's declaration in the download area
Dimensions
- Width
- 22.5 mm
- Height
- 117.4 mm
- Depth
- 114.5 mm
Connection data
- Connection method
- Push-in connection
- Pluggable
- Yes
- Conductor cross section solid min.
- 0.2 mm²
- Conductor cross section solid max.
- 1.5 mm²
- Conductor cross section flexible min.
- 0.2 mm²
- Conductor cross section flexible max.
- 1.5 mm²
- Conductor cross section AWG min.
- 24
- Conductor cross section AWG max.
- 16
- Stripping length
- 8 mm
Output data
- Contact type
- 4 enabling current paths
- Contact type
- 2 semiconductor alarm outputs
- Contact material
- AgCuNi, +0.2 -0.4 µm Au
- Maximum switching voltage
- 250 V AC/DC
- Minimum switching voltage
- 10 V AC/DC
- Limiting continuous current
- 6 A (N/O contact)
- Limiting continuous current
- max. 100 mA (Alarm output (24 V DC))
- Maximum inrush current
- 6 A
- Inrush current, minimum
- 10 mA
- Sq. Total current
- 72 A² (ITH² = I₁² + I₂²+ I₃²+ I₄²)
- Interrupting rating (ohmic load) max.
- 1500 VA (250 V AC, τ = 0 ms)
- Interrupting rating (ohmic load) max.
- 66 W (220 V DC, τ = 0 ms)
- Interrupting rating (ohmic load) max.
- 66 W (110 V DC, τ = 0 ms)
- Interrupting rating (ohmic load) max.
- 100 W (48 V DC, τ = 0 ms)
- Interrupting rating (ohmic load) max.
- 144 W (24 V DC, τ = 0 ms)
- Maximum interrupting rating (inductive load)
- 48 W (24 V DC, τ = 40 ms)
- Maximum interrupting rating (inductive load)
- 43 W (48 V DC, τ = 40 ms)
- Switching capacity min.
- 0.1 W
- Mechanical service life
- 10x 10⁶ cycles
- Switching capacity (360/h cycles)
- 5 A (0,1 Hz; DC13; 24 V)
- Output fuse
- 6 A gL/gG NEOZED (N/O contact)
- Output fuse
- 4 A gL/gG NEOZED (for low-demand applications)
Ambient conditions
- Ambient temperature (operation)
- -20 °C - 45 °C (see derating curve)
- Ambient temperature (storage/transport)
- -25 °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)
- Maximum altitude
- ≤ 2000 m (Above sea level)
Environmental Product Compliance
- REACh SVHC
- Lead 7439-92-1
- China RoHS
- Environmentally Friendly Use Period = 50 years
- China RoHS
- For details about hazardous substances go to tab 'Downloads', Category 'Manufacturer's declaration'
Standards and Regulations
- Designation
- Air clearances and creepage distances between the power circuits
- Standards/regulations
- DIN EN 50178/VDE 0160
- Rated insulation voltage
- 250 V AC
- Rated surge voltage/insulation
- 4 kV/basic isolation (safe isolation, reinforced insulation and 6 kV between input circuit, enabling current paths and safety circuit 1 (13/14, 23/24) and safety circuit 2 (43/44, 53/54).)
- Degree of pollution
- 2
- Overvoltage category
- III
Safety-related characteristic data
- Stop category
- 0
- Safety Integrity Level (SIL)
- 3
- Designation
- EN ISO 13849
- Performance level (PL)
- e (5 A DC13; 3 A AC15; 8760 cycles/year)
- Category
- 4
- Safety Integrity Level Claim Limit (SIL CL)
- 3
- Designation
- EN 50156
