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| Product properties | Product type: Miniature terminal block Number of connections: 4 Number of rows: 2 Potentials: 2 Insulation characteristics Overvoltage category: III Degree of pollution: 3 |
| Electrical properties | Rated surge voltage: 6 kV Maximum power dissipation for nominal condition: 0.77 W |
| Connection data | Number of connections per level: 2 Nominal cross section: 2.5 mm² 1st and 2nd level Screw thread: M3 Tightening torque: 0.5 ... 0.6 Nm Stripping length: 7 mm Internal cylindrical gage: A3 Connection in acc. with standard: IEC 60947-7-1 Conductor cross section rigid: 0.2 mm² ... 4 mm² Cross section AWG: 24 ... 12 (converted acc. to IEC) Conductor cross section flexible: 0.2 mm² ... 2.5 mm² Conductor cross section, flexible [AWG]: 24 ... 14 (converted acc. to IEC) Conductor cross-section flexible (ferrule without plastic sleeve): 0.25 mm² ... 2.5 mm² Flexible conductor cross section (ferrule with plastic sleeve): 0.25 mm² ... 1.5 mm² Cross-section with insertion bridge, rigid: 2.5 mm² Cross-section with insertion bridge, flexible: 2.5 mm² 2 conductors with same cross section, solid: 0.2 mm² ... 1.5 mm² 2 conductors with same cross section, flexible: 0.2 mm² ... 1.5 mm² 2 conductors with same cross section, flexible, with ferrule without plastic sleeve: 0.25 mm² ... 1.5 mm² 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve: 0.5 mm² ... 1 mm² Nominal current: 24 A Maximum load current: 24 A (with 4mm² conductor cross section) Nominal voltage: 500 V Nominal cross section: 2.5 mm² |
| Ex data | Rated data (ATEX/IECEx) Identification: ï II2GEx eb IIC Gb Operating temperature range: -50°C ... 110°C Ex-certified accessories: 1413052 D-MBKKB 2,5 1413065 DP-MBKKB 2,5 1205053 SZS 0,6X3,5 3022218 CLIPFIX 35 1401637 E/MBK List of bridges: Fixed bridge/FBRNI 2-5 N/3000175 Fixed bridge/FBRNI 3-5 N/3000162 Fixed bridge/FBRNI 4-5 N/3000159 Fixed bridge/FBRNI 5-5 N/3000146 Fixed bridge/FBRNI 6-5 N/3000133 Fixed bridge/FBRNI 7-5 N/3000230 Fixed bridge/FBRNI 8-5 N/3000243 Fixed bridge/FBRNI 9-5 N/3000298 Fixed bridge/FBRNI 10-5 N/2770639 Fixed bridge/FBRNI 20-5 N/3000609 Bridge data: 19 A/2.5 mm² Ex temperature increase: 40 K (21 A / 2.5 mm²) Rated voltage: 275 V for bridging with bridge: 275 V Rated insulation voltage: 250 V output: (Permanent) Ex level General Rated current: 21 A Maximum load current: 26 A Ex connection data General Torque range: 0.5 Nm ... 0.6 Nm Nominal cross section: 2.5 mm² Rated cross section AWG: 14 Connection capacity rigid: 0.2 mm² ... 4 mm² Connection capacity AWG: 24 ... 12 24 ... 14 Connection capacity flexible: 0.2 mm² ... 2.5 mm² 2 conductors with same cross section, solid: 0.2 mm² ... 1.5 mm² 2 conductors with the same cross-section AWG rigid: 24 ... 16 2 conductors with same cross section, stranded: 0.2 mm² ... 1.5 mm² 2 conductors with the same cross-section AWG flexible: 24 ... 16 output: (Permanent) Ex level Level 1 Contact resistance: 0.5 mé output: (Permanent) Ex level Level 2 Contact resistance: 0.4 mé |
| Dimensions | Width: 5.2 mm End cover width: 2.5 mm Height: 62 mm Depth on NS15: 47.5 mm Depth on NS35/7,5: 48 mm Depth on NS35/15: 55.5 mm |
| Material specifications | Color: gray Flammability rating according to UL 94: V2 Insulating material group: I Insulating material: PA Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)): 125°C Relative insulation material temperature index (Elec., UL 746 B): 125°C |
| Electrical tests | Surge voltage test Test voltage setpoint: 7.3 kV Result: Test passed Temperature-rise test Requirement temperature-rise test: Increase in temperature â¤45K Result: Test passed Short-time withstand current 2.5 mm²: 0.3 kA Power-frequency withstand voltage Test voltage setpoint: 1.89 kV Result: Test passed |
| Mechanical properties | Mechanical data Open side panel: Yes |
| Mechanical tests | Mechanical strength Result: Test passed Attachment on the carrier DIN rail/fixing support: NS35/NS15 Test force setpoint: 1 N Result: Test passed Test for conductor damage and slackening Rotation speed: 10rpm Revolutions: 135 Conductor cross section/weight: 0.2 mm² / 0.2 kg 2.5 mm² / 0.7 kg 4 mm² / 0.9 kg Result: Test passed |
| Environmental and real-life conditions | Needle-flame test Time of exposure: 30 s Result: Test passed Ambient conditions Ambient temperature (operation): -60°C ... 105°C (max. short-term operating temperature RTI Elec.) Ambient temperature (storage/transport): -25°C ... 60°C (for a short time, not exceeding 24h, -60°C to +70°C) Ambient temperature (assembly): -5°C ... 70°C Ambient temperature (actuation): -5°C ... 70°C Permissible humidity (storage/transport): 30 % ... 70 % |
| Standards and regulations | Connection in acc. with standard: IEC 60947-7-1 |
| Mounting | Mounting type: NS15 NS 35/7,5 NS35/15 |
| ECLASS | ECLASS-11.0: 27141120 ECLASS-13.0: 27250102 |
| ETIM | ETIM 9.0: EC000897 |
| UNSPSC | UNSPSC 21.0: 39121400 |
