SRM 21 RT2
- Product Code: SRM 21 RT2
- Availability: In Stock
SRM 21 RT2
Features/Options
- Enclosure width: 22.5 mm
- 2 NC or 1 NC/1 NO contact can be connected
- Feedback circuit
- 2 enabling paths
- 1 transistor output
- Manual or automatic reset
- Switching position indication by LED
- Crossed wire monitoring
Product image
Technical data
Standards | IEC/EN 60204-1, IEC/EN 60947-5-1, IEC/EN 60947-5-3/PDF-M, EN 954-1, BG-GS-ET 20 |
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Enclosure | black polycarbonate; polyamide terminal clamps, top hat section rail mounting to |
Connection | screw terminals with + and - screws |
Cable section | 1x 2.5 mm²/2x 1.5 mm² strand including conductor ferrules, 1x 4 mm²/2x 2.5 mm² massive |
Degree of protection | Enclosure IP 40, Terminal block IP 20 to IEC/EN 60529, shock protection to VBG 4 |
Safety-relevant data: |
|
EN 954-1 | Category 4 |
EN ISO 13849-1 | projected |
TM | max. 20 years |
DIN EN 62061 - SIL CL | projected |
Ie/Ue power supply |
0.1 A/24 VDC ±15 % |
Inputs | 1 NC/1 NO contact or 2 NC contacts 1 feedback input, 1 reset input |
Outputs | enabling paths: positive-guided contacts, 1 transistor output as signalling contact |
Utilisation category | AC-15; DC-13 |
Ie/Ue enabling paths | 3 A/230 VAC; 2 A/24 VDC |
Max. output current transistor output Ia |
20 mA |
Max. fuse rating Ue | 2 A gL/gG D-fuse |
Max. fuse rating enabling paths | 6 A gL/gG D-fuse |
Classification | stop category 0 |
Dropout delay | < 20 ms |
Risk time | < 200 ms |
Mechanical life | > 50 million operations |
LED indications | 4: operation, authorisation, inputs A and B |
Degree of pollution | 3 to DIN VDE 0110 |
Overvoltage category | III |
Ambient temperature | 0 °C … +55 °C |
Approvals |