PSR-MS45-1NO-1DO-24DC-SC Safety relays

Manufactured by

Brand PHOENIX CONTACT

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

EAN: 4046356904056

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(2026-10-19)

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2026-10-19

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Properties

Description

Dimensions

Files

Codes

Note on application

Only for industrial use

Rated control circuit supply voltage US

20.4 V DC ... 26.4 V DC

24 V DC -15 % / +10 %

Product type

Safety relays

Rated control supply current IS

typ. 42 mA

Power consumption at US

typ. 1 W

Product family

PSRmini

Application

Emergency stop

Safety door

Transponder

Control

1 and 2 channel

Relay type

Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3

Overvoltage category

III

Degree of pollution

Typical response time

< 175 ms

Typical release time

< 20 ms (when controlled via A1 or S12 and S22.)

Restart time

1 s (Boot time, after switching on the supply voltage)

Recovery time

< 500 ms

Maximum power dissipation for nominal condition

3 W (U_S = 26.4 V, I_L² = 36 A², P_Total max = 1.2 W + 1.8 W)

Nominal operating mode

100% operating factor

Rated insulation voltage

250 V AC

Rated surge voltage/insulation

Designation

A1/A2

Rated control circuit supply voltage U_S

20.4 V DC ... 26.4 V DC

24 V DC -15 % / +10 %

Rated control supply current I_S

typ. 42 mA

Power consumption at U_S

typ. 1 W

Inrush current

< 10 mA

< 20 mA (typ. with U_S at S12)

< 5 mA (typ. with U_S at S22)

> -15 mA (typ. with U_S at S22/0 V)

4.5 A (Δt < 120 µs at U_s)

max. 6 A

min. 3 mA

Filter time

1 ms (at A1 in the event of voltage dips at U_s)

max. 1.5 ms (Test pulse width of low test pulses)

Test pulse rate = 5 x Test pulse width

Protective circuit

Serial protection against polarity reversal

Suppressor diode

Surge protection; Suppressor diode

Description of the input

non-safety-related

safety-related sensor inputs

Input voltage range "0" signal

0 V DC ... 5 V DC (for safe Off; at S12)

Input voltage range "1" signal

20.4 V DC ... 26.4 V DC

Input current range "0" signal

0 mA ... 2 mA (for safe Off; at S12)

Max. permissible overall conductor resistance

150 Ω

Current consumption

< 10 mA

< 5 mA (with U_s/I_xto S12)

> -5 mA (with U_s/I_xto S22/0V)

Number of inputs

Output description

non-safety-related

safety-related N/O contacts

Number of outputs

1 (digital, PNP)

1 (undelayed)

Contact switching type

1 enabling current path

Contact material

AgSnO₂

Switching voltage

max. 250 V AC/DC (Observe the load curve)

min. 12 V AC/DC

Switching power

min. 60 mW

Switching capacity

4 A (DC13)

5 A (AC15)

Limiting continuous current

6 A

Sq. Total current

36 A² (observe derating)

Switching frequency

max. 0.1 Hz

Mechanical service life

10x 10⁶ cycles

Output fuse

4 A gL/gG (for low-demand applications)

6 A gL/gG (N/O contact)

Voltage

22 V DC (U_s - 2 V)

Current

max. 100 mA

Maximum inrush current

500 mA (Δt = 1 ms at U_s)

Short-circuit protection

pluggable

Length

Width

Height

Weight Net

Weight

Package

Volume

m³

No files found

ECLASS-13.0

27371819

ECLASS-15.0

27371819

ETIM 10.0

EC001449

UNSPSC 21.0

39122200

GTIN

4046356904056

ECLASS-15.0 ASSET

27250101

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PSR-MS45-1NO-1DO-24DC-SC Safety relays

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