Official DistributorSKU
MPN
ZFKK 2,5-MT
Weight
0.019 kg
Series ZFKK
ZFKK 2,5-MT - Knife-disconnect terminal block
Knife-disconnect terminal block, nom. voltage: 400 V, nominal current: 16 A, 1 level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.2 mm2 - 4 mm2, 2nd level, connection method: Spring-cage connection, Rated cross section: 1.5 mm2, cross section: 0.2 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
Technical Specifications
Product properties
| 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 |
Connection data
| Number of connections per level | 2 |
| Nominal cross section | 2.5 mm² |
1 level
| Stripping length | 8 mm ... 10 mm |
| 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) | 0.14 mm² ... 2.5 mm² |
| Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mm² ... 2.5 mm² |
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² |
| Nominal Current | 16 A (with 4 mm² conductor cross section) |
| Maximum Load Current | 16 A (in case of a 4 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors.) |
| Nominal Voltage | 400 V |
| Nominal cross section | 2.5 mm² |
2nd level
| 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 (ferrule without plastic sleeve) | 0.14 mm² ... 2.5 mm² |
| Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mm² ... 2.5 mm² |
| Nominal Current | 16 A |
| Maximum Load Current | 16 A (with 4 mm² conductor cross section) |
| Nominal Voltage | 400 V |
| Nominal cross section | 1.5 mm² |
Dimensions
| Width | 5.2 mm |
| End cover width | 2 mm |
Material specifications
| Color | gray |
| Flammability rating according to UL 94 | V0 |
| Insulating material group | I |
| Insulating material | PA |
| Static insulating material application in cold | -60 °C |
| Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) | 130 °C |
| Relative insulation material temperature index (Elec., UL 746 B) | 130 °C |
| Fire protection for rail vehicles (DIN EN 45545-2) R22 | HL 1 - HL 3 |
| Fire protection for rail vehicles (DIN EN 45545-2) R23 | HL 1 - HL 3 |
| Fire protection for rail vehicles (DIN EN 45545-2) R24 | HL 1 - HL 3 |
| Fire protection for rail vehicles (DIN EN 45545-2) R26 | HL 1 - HL 3 |
| Calorimetric heat release NFPA 130 (ASTM E 1354) | 28 MJ/kg |
| Surface flammability NFPA 130 (ASTM E 162) | passed |
| Specific optical density of smoke NFPA 130 (ASTM E 662) | passed |
| Smoke gas toxicity NFPA 130 (SMP 800C) | passed |
Surge voltage test
| Test voltage setpoint | 7.3 kV |
| Result | Test passed |
Temperature-rise test
| Requirement temperature-rise test | Increase in temperature ≤ 45 K |
| Result | Test passed |
| Short-time withstand current 2.5 mm² | 0.3 kA |
| 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 35 |
| 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 | 2.5 mm² / 0.7 kg |
| Conductor cross section/weight | 4 mm² / 0.9 kg |
| Result | Test passed |
Aging
| Temperature cycles | 192 |
| Result | Test passed |
Needle-flame test
| Time of exposure | 30 s |
| Result | Test passed |
Standards and Regulations
| Connection in acc. with standard | IEC 60947-7-1 |
| Connection in acc. with standard | IEC 60947-7-1 |
Mounting
| Mounting Type | NS 35/7,5 |
| Mounting Type | NS 35/15 |
Accessories
0801681 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
1204119 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
1204122 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver- 0801704 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
Profilé percé, Conditionnement par 25 unités (50 m), selon EN 60715, matériau: Acier, galvanisé, Profil standard, coloris: argenté
1206434 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
0801762 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
1201730 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
1201714 - DIN rail, unperforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
0806602 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: white
1204135 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
1201756 - DIN rail, unperforated, similar to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
1206599 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
1206586 - DIN rail, unperforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
1201895 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
1201798 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile 2.3 mm, color: silver
3022218 - Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color: gray
3022276 - Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, with parking option for FBS...5, FBS...6, KSS 5, KSS 6, width: 5.15 mm, color: gray
1201413 - End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray
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Additional Information
| Pack Size | 50 |
Recommended
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1873045 - Feed-through terminal block, 1st and 2nd level connection right, connection method: Spring-cage connection, cross section: 0.2 mm2 - 2.5 mm2, 1st and 2nd level connection left, mounting: NS 35/7,5, color: green-yellow