UKK 5-MTK-P/P Knife Disconnect Terminal Block

Selling Points

1Space-saving design: Just 6.2 mm wide for efficient installation.
2High current rating: Nominal current of 26 A and maximum load current of 26 A.
3Screw connection: Easy to use with test socket screws for insertion of test plugs.
4Flammability rating: Meets UL 94 V2 standards for safety.
5Versatile mounting options: Compatible with NS 35/7,5, NS 35/15, and NS 32 assemblies.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Product type	Disconnect terminal block	Number of connections	4
Number of rows	2	Potentials	2
Article revision	08	Overvoltage category	III
Degree of pollution	3	Rated surge voltage	6 kV
Maximum power dissipation for nominal condition	1.02 W	Number of connections per level	2
Nominal cross section	4 mm²	Screw thread	M3
Tightening torque	0.6 ... 0.8 Nm	Stripping length	8 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 ... 4 mm²	Flexible conductor cross section (ferrule with plastic sleeve)	0.25 mm² ... 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 ... 1.5 mm²
Nominal current	26 A	Maximum load current	26 A (with 4 mm² conductor cross section)
Nominal voltage	400 V	Nominal cross section	4 mm²
Screw thread	M3	Internal cylindrical gage	A4
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 (ferrule without plastic sleeve)	0.25 mm² ... 4 mm²	Flexible conductor cross section (ferrule with plastic sleeve)	0.25 mm² ... 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 ... 1.5 mm²
Nominal current	12 A	Maximum load current	12 A (with 4 mm² conductor cross section)
Nominal voltage	400 V	Nominal cross section	4 mm²
Width	6.1 mm	Height	80 mm
Depth on NS 32	73 mm	Depth on NS 35/7,5	68 mm
Depth on NS 35/15	75.5 mm	Color	gray (RAL 7042)
Flammability rating according to UL 94	V2	Insulating material group	I
Insulating material	PA	Static insulating material application in cold	-40 °C
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
Open side panel	No	Ambient temperature (operation)	-60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.)
Ambient temperature (storage/transport)	-25 °C ... 60 °C (for a short time, not exceeding 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 %	Connection in acc. with standard	IEC 60947-7-1 IEC 60947-7-1
Mounting type	NS 35/7,5 NS 35/15 NS 32

Specifications may be subject to change without notice