RC unit for 5SY, 4-pole, type A, In: 40 A, 300 mA, Un AC: 400 V
Product Type: Industrial Automation Component
General
Model
| product brand name |
SENTRON |
| product designation |
RCD-unit |
| design of the product |
Instantaneous |
| product type designation |
5SM2 |
| product version |
for 5SY |
General technical data
| number of poles |
4 |
| design of pole |
4 poles |
| size of installation devices according to DIN 43880 |
1 |
| touch protection against electrical shock according to EN 50274 |
Finger and back-of-hand safe |
| mechanical service life (operating cycles) typical |
10 000 |
| overvoltage category |
III |
| degree of pollution |
2 |
Voltage
| type of voltage of the operating voltage |
AC |
| insulation voltage (Ui) rated value |
460 V |
| surge voltage resistance rated value |
4 000 V |
| tripping fault current rated value |
300 mA |
● operational current
| — at 40 °C rated value |
37.2 A |
| — at 45 °C rated value |
37.2 A |
| — at 50 °C rated value |
36 A |
| — at 55 °C rated value |
34.8 A |
| — at 60 °C rated value |
34 A |
| — at 65 °C rated value |
33.2 A |
| — at 70 °C rated value |
32 A |
| ● operational current at AC rated value |
40 A |
| residual current type |
A |
| surge current resistance rated value |
1 kA |
supply voltage
| ● at AC |
400 V |
| ● for testing equipment minimum |
195 V |
| value range of the supply voltage frequency |
50 Hz |
| value range of the operating frequency |
50 Hz |
Protection class
| protection class IP |
IP20, if the distribution board is installed, with connected conductors |
| protection function false tripping |
Yes |
power loss [W]
| ● for rated value of the current at AC in hot operating state per pole |
1.9 W |
| ● maximum |
5.7 W |
Product details
| product feature OFF-delay time adjustable |
No |
| product feature rated fault current adjustable |
No |
| product feature sealable |
No |
connectable conductor cross-section solid
| ● minimum |
1.5 mm² |
| ● maximum |
25 mm² |
connectable conductor cross-section stranded
| ● minimum |
1.5 mm² |
| ● maximum |
25 mm² |
tightening torque with screw-type terminals
| ● minimum |
2.5 N·m |
| ● maximum |
3 N·m |
| position of power supply cord |
top or bottom |
Mechanical Design
| height |
90 mm |
| width |
54 mm |
| depth |
77 mm |
| installation depth |
70 mm |
| number of modular width units |
3 |
| fastening method |
DIN rail |
| mounting position |
any |
| Net Weight |
309 g |
ambient temperature during operation
| ● minimum |
-25 °C |
| ● maximum |
45 °C |
ambient temperature during storage
| ● minimum |
-40 °C |
| ● maximum |
75 °C |
| number of test cycles for environmental testing according to IEC 60068-2-30 |
28 |
Certificates
| reference code according to IEC 81346-2 |
F |
Environment
| Environmental Confirmations |
Yes |
| Environmental Confirmations |
Yes |
General Product Approval
| CCC |
Yes |
| VDE |
Yes |
| Miscellaneous |
Yes |
| Miscellaneous |
Yes |
| EAC |
Yes |
| Confirmation |
Yes |
| EU declaration of conformity |
Yes |
| CCC |
Yes |
| UK Declaration of Conformity |
Yes |
other
| Chinese Quality Checkmark |
Yes |
| Confirmation |
Yes |
Dangerous goods
| Transport Information |
Yes |
Characteristic curves
https://curves.simaris.siemens.com/curves/
| last modified: |
4/12/2025 |
| Date8/1/2026 |
Subject to change without notice© Copyright Siemens 2026 |
Applications
This Industrial Automation Component is designed for industrial automation applications, offering reliable performance and compatibility with Siemens automation systems. Suitable for manufacturing, process control, and building automation environments.
