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Series SRM 21 RT2
Features/Options- Enclosure width: 22.5 mm - 2 NC contacts or NC/NO combination can be connected
- Feedback circuit
- 2 enabling paths
- 1 transistor output
- Manual or automatic reset
- Switching position indication by LED
Standards IEC/EN 60204 -1, EN 60947-5-1, EN 954-1, BG-GS-ET 20 Enclosure black polycarbonate; polyamide terminalclamps, top hat section rail mounting to EN 50022 Termination screw terminals with + and - screws Cable section 1x 2.5 mm
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SRM 21 RT2 Technical data
2 /2x 1.5 mm
2 strand including con-ductor ferrules, 1x 4 mm
2 /2x 2.5 mm
2 massiv Protection class Enclosure IP 40. Terminal block IP 20 to IEC60529, shock protection to VBG 4 Ue 24 VDC ±15% Power consumption ca. 2.5 W Inputs 1 NC/1 NO contact or 2 NC contacts1 feedback input, 1 reset input Outputs 2 enabling paths: positive-guided contacts, 1transistor output as signalling contact
22 22 Utilisation category AC-15; DC-13 Ie/Ueenabling paths 2 A gL/gG D-
industrial fuse 3 A/230 V; 2 A/24 V 20 mA Max. output current transistor output Ia Max. fuse rating
Ue Enabling paths 6 A gL/gG D-fuse Classification stop category 0. Control category 4 Dropout delay < 20 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
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Ordering dataSRM 21 RT2 2 inputsautomatic reset manual reset1 transistor output2 enabling paths Safety relay module