Clearance
Official DistributorSKU
MPN
SSK 0525 KER-EX
Weight
0.02 kg
Series SSK
SSK 0525 KER-EX - Feed-through terminal block
Feed-through terminal block, connection method: screw connection, cross section: 0.2 mm2 - 4 mm2, 24 - 12 AWG, width: 6.2 mm, color: white, mounting type: NS 32, insulation material: ceramic
- Mounting on NS 32 G DIN rail
- Compact design
- Easy potential distribution thanks to chain bridging
Technical Specifications
Product properties
| Number of Connections | 2 |
| Number of rows | 1 |
| Potentials | 1 |
Insulation characteristics
| Overvoltage category | III |
| Degree of pollution | 3 |
Electrical properties
| Rated surge voltage | 8 kV |
| Maximum power dissipation for nominal condition | 0.77 W |
Connection data
| Number of connections per level | 2 |
| Nominal cross section | 2.5 mm² |
Level 1 above 1 below 1
| Screw thread | M3 |
| Tightening torque | 0.5 ... 0.6 Nm |
| Stripping length | 9 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 ... 4 mm² |
| Conductor cross section, flexible [AWG] | 24 ... 12 (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 |
| 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 ... 1.5 mm² |
| Nominal Current | 24 A |
| Maximum Load Current | 32 A (with 4 mm² conductor cross section) |
| Nominal Voltage | 690 V |
| Nominal cross section | 2.5 mm² |
Rated data (ATEX/IECEx)
| Identification | II 2 GD Ex eb IIC Gb |
| Operating temperature range | -60 °C ... 180 °C |
| Ex-certified accessories | 0201061 D-SSK 0525 KER |
| Ex-certified accessories | 1201044 E/1 |
| List of bridges | Chain bridge / KB- 6 / 0201472 |
| Bridge data | 28 A / 4 mm² |
| Ex temperature increase | 40 K (31.3 A / 4 mm²) |
| Rated voltage | 440 V |
| for bridging with bridge | 440 V |
| Rated Insulation Voltage | 400 V |
| Output | (Permanent) |
Ex level General
| Rated current | 28 A |
| Maximum Load Current | 28 A |
| Contact resistance | 0.94 mΩ |
Ex connection data General
| Torque range | 0.5 Nm ... 0.6 Nm |
| Nominal cross section | 4 mm² |
| Rated cross section AWG | 12 |
| Connection capacity rigid | 0.2 mm² ... 4 mm² |
| Connection capacity AWG | 24 ... 12 |
| Connection capacity flexible | 0.25 mm² ... 4 mm² |
| Connection capacity AWG | 22 ... 12 |
Dimensions
| Width | 6.2 mm |
| End cover width | 3.5 mm |
| Height | 38 mm |
| Depth on NS 32 | 48 mm |
Material specifications
| Color | ivory |
| Material | Ceramics |
| Insulating material group | I |
| Relative insulation material temperature index (Elec., UL 746 B) | 1000 °C |
Surge voltage test
| Test voltage setpoint | 9.8 kV |
| Result | Test passed |
Temperature-rise test
| Requirement temperature-rise test | Increase in temperature ≤ 45 K |
| Result | Test passed |
| Short-time withstand current 4 mm² | 0.48 kA |
| Result | Test passed |
Power-frequency withstand voltage
| Test voltage setpoint | 1.89 kV |
| Result | Test passed |
Mechanical data
| Open side panel | Yes |
Mechanical strength
| Result | Test passed |
Attachment on the carrier
| DIN rail/fixing support | NS 32 |
| Test force setpoint | 1 N |
| Result | Test passed |
Test for conductor damage and slackening
| Rotation speed | 10 rpm |
| Revolutions | 135 |
| Conductor cross section/weight | 0.2 mm² / 0.2 kg |
| Conductor cross section/weight | 4 mm² / 0.9 kg |
| Result | Test passed |
Ambient conditions
| Ambient Temperature (Operation) | -60 °C ... 180 °C |
| Ambient temperature (storage/transport) | -25 °C ... 60 °C (for a short time, no longer than 24 h, -60°C to +70°C) |
| Ambient temperature (assembly) | -5 °C ... 70 °C |
| Ambient temperature (actuation) | -5 °C ... 70 °C |
| Permissible humidity (operation) | 20 % ... 90 % |
| Permissible humidity (storage/transport) | 30 % ... 70 % |
Standards and Regulations
| Connection in acc. with standard | IEC 60947-7-1 |
Mounting
| Mounting Type | NS 32 |
Accessories
D-SSK 0525 KER - End cover, length: 38 mm, width: 4.2 mm, color: gray, insulation material: ceramic
NS 32 PERF 2000MM-VPE 10 - DIN rail perforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, G profile, color: silver
NS 32 UNPERF 2000MM-VPE 10 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, G profile, color: silver
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Additional Information
| Pack Size | 50 |