Siemens SIRIUS 3SK1 Equipment Manual page 33

Designation
3RM1 Failsafe direct-on-line starters
3RM1 Failsafe reversing starters
x = 1: Screw-type terminal; x = 2: Spring-loaded (push-in) terminal
x = 3: (3RM1 only) mixed connection system: Control circuit realized as spring-loaded (push-in) terminal and main circuit as screw
terminal
y = 0: SIL 2 / PL c; y = 2: SIL 3 / PL e
z = E: 1NO 1NC; z = G: 2NO 1NC; z = H: 2NO 2NC; z = L: 4NO 1NC
Overview of the safety-related outputs
Type and number of safety-related outputs
Advanced Instantaneous
3SK1121-.AB40 3NO 1NC
3SK1121-.CB4. 2NO
3SK1122-.AB40
3SK1122-.CB4.
3SK1120-.AB40
Standard
3SK1111-.A..0 3NO 1NC
3SK1112-.BB40
Output expansions
4RO
3SK1211 4NO 1NC
3RO
3SK1213 3NO 1NC
3RQ1 output expansion
3RQ1000-.E 1NO 1NC
3RQ1200-.E
(SIL 3 / PL e)
3RQ1000-.G 2NO 1NC
3RQ1000-.H 2NO 2NC
3RQ1000-.L 4NO 1NC
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
Relays
Time-delayed
-
2NO
- -
- -
- -
-
- -
-
-
-
-
-
Voltages
24 V DC
24 V DC
Semiconductors
Instantaneous Time-delayed
- -
- -
3 -
2 2
1 -
- -
2 -
- -
- -
- -
- -
- -
- -
Description
3.2 Product overview
Article number
3RM11..-xAA4
3RM13..-xAA4
Semiconduc‐ Device
tor signaling
connectors
circuits
1 ✓
- ✓
1 ✓
- ✓
- ✓
1 -
1 -
- ✓ (for 24 V DC)
- ✓ (for 24 V DC)
- ✓ (for 24 V DC)
- ✓ (for 24 V DC)
- ✓ (for 24 V DC)
- ✓ (for 24 V DC)
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