PSR-MS20-1NO-1DO-24DC-SC Safety relays

Manufactured by

Brand PHOENIX CONTACT

Safety relay for emergency stop and safety doors up to SIL 1, Cat. 1, PL c, depending on the application up to SIL 3, Cat. 4, PL e, 1-channel operation, automatic start, 1 enabling current path, U_S = 24 V DC, fixed screw terminal block

EAN: 4046356904988

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144

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(2026-10-19)

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Properties

Description

Dimensions

Files

Codes

Note on application

Only for industrial use

Typ. starting time with Us

< 250 ms (when controlled via A1)

Product type

Safety relays

Rated control circuit supply voltage US

20.4 V DC ... 26.4 V DC

24 V DC -15 % / +10 %

Product family

PSRmini

Rated control supply current IS

typ. 42 mA

Application

Emergency stop

Magnetic switch

Safety door

Power consumption at US

typ. 1 W

Control

1-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

Typ. starting time with U_s

< 250 ms (when controlled via A1)

Typical release time

< 20 ms (when controlled via A1 or S12)

Restart time

< 1 s (Boot time)

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 (at U_S)

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

Number of 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 (at U_S)

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

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

Voltage

22 V DC (U_s - 2 V)

Current

max. 100 mA

Maximum inrush current

500 mA (Δt = 1 ms at U_s)

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

4046356904988

ECLASS-15.0 ASSET

27250101

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PSR-MS20-1NO-1DO-24DC-SC Safety relays

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