https://www.phoenixcontact.com/pi/products/2906877
08/19/2018Page2/5
Limit value switches-MINI MCR-2-T-2RO-PT-2906877
Technical data
Input data
Available input sources Resistance thermometers
Sensor types (RTD) that can be used Pt, Ni, Cu sensors
Connection technology 2, 3, 4-wire
Sensor input current approx. 200 µA
Max. permissible overall conductor resistance ≤ 25 Ω (Per line, RTD in 3- or 4-wire technology)
≤ 50 Ω (Per line, RTD in 2-wire technology)
Linear resistance measuring range 0 Ω ... 4000 Ω
Linear mV signal range -500 mV ... 500 mV
Available input sources Thermocouples
Sensor types that can be used (TC) B, E, J, K, N, R, S, T, L, U, A-1, A-2, A-3, M, L
Switching output
Output name Switching output
Number of outputs 2
Contact type 2 N/O contacts
Maximum switching voltage 30 V DC
Max. switching current 100 mA (30V (≤ 50°C))
70 mA (30V (51°C...70°C))
Power supply
Nominal supply voltage 24 V DC
Supply voltage range
9.6 V DC ... 30 V DC (The DIN rail bus connector (ME 6,2 TBUS-2
1,5/5-ST-3,81 GN, Order No. 2869728) can be used to bridge the
supply voltage. It can be snapped onto a 35 mm DIN rail according to
EN60715))
Typical current consumption 20 mA (12 V DC)
10 mA (24 V DC)
Power consumption 350 mW
Connection data
Connection method Push-in connection
Single conductor/terminal point, solid, with ferrule, min. 0.14 mm²
Single conductor/terminal point, solid, with ferrule, max. 2.5 mm²
Single conductor/terminal point, solid, without ferrule, min. 0.14 mm²
Single conductor/terminal point, solid, without ferrule, max. 2.5 mm²
Conductor cross section flexible min. 0.14 mm²
Conductor cross section flexible max. 2.5 mm²
Min. AWG conductor cross section, flexible 24
Max. AWG conductor cross section, flexible 12
Stripping length 10 mm
General
No. of channels 1
Maximum temperature coefficient 0.01 %/K
