Technical Information

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1 Technical Information Short Circuit Ratings KT7 Assembly Application Rating Chart (Ratings are dependent on type of application) ➊ Rating Index Assembly Components Manual Controller or Group Installation Combination Motor Controller (Type ) 480V 600V 480Y / 277V 600Y / 347V Self-Protected Combination Motor Controller (Type E) 480Y / 277V 600Y / 347V KT7 Minimum Contactor Size KTA7 + CA7 UL Assemblies (CL7 / CLU7/ CK7 / CKU7) 1 KTA7-25S-0.16A CA KTA7-25S-0.25A CA KTA7-25S-0.4A CA KTA7-25S-0.63A CA KTA7-25S-1A CA KTA7-25S-1.6A CA KTA7-25S-2.5A CA ~ 8 KTA7-25S-4A CA ~ 65 ~ 30 ~ ~ ~ -- KTA7-25S-4A CA ~ 30 ~ 65 ~ 30 ~ ~ ~ 9 KTA7-25S-6.3A CA ~ 65 ~ ~ ~ ~ ~ 11 KTA7-25S-10A CA ~ 65 ~ ~ ~ ~ ~ 12 KTA7-25S-16A CA ~ 30 ~ 30 ~ ~ ~ ~ ~ 14 KTA7-25S-16A CA ~ 30 ~ 30 ~ ~ ~ ~ ~ 15 KTA7-25S-20A CA ~ 30 ~ 10 ~ ~ ~ ~ ~ 16 KTA7-25S-25A CA ~ 30 ~ ~ ~ ~ ~ ~ ~ -- KTA7-32S-29A CA ~ ~ ~ ~ ~ ~ ~ -- KTA7-32S-32A CA ~ ~ ~ ~ ~ ~ ~ 17 KTA7-25H-2.5A CA ~ 18 KTA7-25H-2.5A CA KTA7-25H-4A CA ~ ~ ~ ~ 21 KTA7-25H-4A CA KTA7-25H-6.3A CA ~ ~ ~ ~ 23 KTA7-25H-6.3A CA ~ KTA7-25H-10A CA ~ ~ ~ ~ 27 KTA7-25H-10A CA ~ KTA7-25H-16A CA ~ ~ ~ ~ 30 KTA7-25H-16A CA ~ KTA7-25H-20A CA ~ ~ ~ ~ ~ 32 KTA7-25H-20A CA ~ ~ ~ 65 ~ 33 KTA7-25H-25A CA ~ ~ ~ ~ ~ 34 KTA7-25H-25A CA ~ ~ ~ 65 ~ -- KTA7-32H-29A CA ~ ~ ~ ~ ~ ~ ~ -- KTA7-32H-32A CA ~ ~ ~ ~ ~ ~ ~ 36 KTA7-45H-10A CA KTA7-45H-16A CA KTA7-45H-20A CA KTA7-45H-25A CA KTA7-45H-32A CA KTA7-45H-45A CA ~ ~ 65 ~ 46 KTA7-45H-45A CA ~ ~ 65 ~ Gray type indicates non-cataloged assembly. Contact your Sprecher+ Schuh representative for information. Type E Type E ➊ The ratings in these tables assume connection between components are made with Sprecher + Schuh Connection Modules. Engineering Practice allows wire connection as an alternative. 73

2 Technical Information Short Circuit Ratings KT7 Assembly Application Rating Chart (Ratings are dependent on type of application) ➊➋ Rating Index Assembly Components Manual Controller or Group Installation Combination Motor Controller (Type ) 480V 600V 480Y / 277V 600Y / 347V Self-Protected Combination Motor Controller (Type E) 480Y / 277V 600Y / 347V ➊ ➊ ➊ KT7 Minimum Contactor Size KTC7 + CA7 UL Assemblies ➊ KTC7-25S-0.16A CA KTC7-25S-0.25A CA KTC7-25S-0.4A CA KTC7-25S-0.63A CA KTC7-25S-1A CA KTC7-25S-1.6A CA ~ KTC7-25S-2.5A CA ~ 65 ~ 30 ~ ~ ~ KTC7-25S-2.5A CA ~ 65 ~ ~ ~ ~ ~ KTC7-25S-4A CA ~ 65 ~ ~ ~ ~ ~ KTC7-25S-6.3A CA ~ 65 ~ ~ ~ ~ ~ KTC7-25S-10A CA ~ 30 ~ 30 ~ ~ ~ ~ ~ KTC7-25S-16A CA ~ 30 ~ 10 ~ ~ ~ ~ ~ KTC7-25H-16A CA ~ ~ ~ ~ ~ KTC7-25H-16A CA ~ ~ ~ 65 ~ KTC7-25H-20A CA ~ ~ ~ ~ ~ KTC7-25H-20A CA ~ ~ ~ 65 ~ KTC7-45H-25A CA KTC7-45H-32A CA ~ ~ 65 ~ Type E Type E ➊ Non-cataloged assemblies. Contact your Sprecher+ Schuh representative for information. ➋ The ratings in these tables assume connection between components are made with Sprecher + Schuh Connection Modules. Engineering Practice allows wire connection as an alternative. 74

3 Technical Information Short Circuit Ratings KT7 Assembly Application Rating Chart (Ratings are dependent on type of application) ➊ Assembly Components Manual Controller or Group Installation Combination Motor Controller (Type ) Self-Protected Combination Motor Controller (Type E) Rating Index 480V 600V 480Y / 277V 600Y / 347V 480Y / 277V 600Y / 347V KT7 Minimum Contactor Size KTA7 + CA8 UL Assemblies (CL8 / CLU8) -- KTA7-25S-(0.16A 1A) CA ~ 65 ~ 47 ~ ~ ~ -- KTA7-25S-1.6A CA ~ 47 ~ 65 ~ 47 ~ ~ ~ -- KTA7-25S-(2.5A 4A) CA ~ 30 ~ 65 ~ 30 ~ ~ ~ -- KTA7-25S-6.3A CA ~ ~ ~ 65 ~ ~ ~ ~ ~ 1M KTA7-25S-0.16A CA ~ ~ ~ ~ 2M KTA7-25S-0.25A CA ~ ~ ~ ~ 3M KTA7-25S-0.4A CA ~ ~ ~ ~ 4M KTA7-25S-0.63A CA ~ ~ ~ ~ 5M KTA7-25S-1A CA ~ ~ ~ ~ 6M KTA7-25S-1.6A CA ~ ~ ~ ~ 7M KTA7-25S-2.5A CA ~ 30 ~ 65 ~ 30 ~ ~ ~ 8M KTA7-25S-4A CA ~ 30 ~ 65 ~ 30 ~ ~ ~ 9M KTA7-25S-6.3A CA ~ 30 ~ 65 ~ ~ ~ ~ ~ 10M KTA7-25S-10A CA ~ 30 ~ 65 ~ ~ ~ ~ ~ -- KTA7-25S-(2.5A 4A) CA ~ 30 ~ 65 ~ 30 ~ ~ ~ -- KTA7-25S-6.3A CA ~ ~ ~ 65 ~ ~ ~ ~ ~ 11M KTA7-25S-10A CA ~ ~ ~ 65 ~ ~ ~ ~ ~ 12M KTA7-25S-16A CA ~ 30 ~ 30 ~ ~ ~ ~ ~ Type E Type E Rating Index KT7 Assembly Components Minimum Contactor Size Overload Self-Protected Combination Motor Controller (Type E ) ➋ 208V- 2V 480Y / 277V KTB7 + CA7 + CEP7 UL Assemblies (CLT7 / CLUT7) 3B KTB7-25S-0.4A CA7-9 CEP7-ED1AB B KTB7-25S-0.4A CA7-9 CEP7-EEAB B KTB7-25S-1A CA7-9 CEP7-ED1BB B KTB7-25S-1A CA7-9 CEP7-EEBB B KTB7-25S-2.5A CA7-9 CEP7-ED1CB ~ 7B KTB7-25S-2.5A CA7-9 CEP7-EECB ~ 17B KTB7-25H-2.5A CA7-9 CEP7-ED1CB ~ 17B KTB7-25H-2.5A CA7-9 CEP7-EECB ~ 18B KTB7-25H-2.5A CA7-23 CEP7-ED1CB B KTB7-25H-2.5A CA7-23 CEP7-EECB B KTB7-25H-4A CA7-23 CEP7-ED1CB B KTB7-25H-4A CA7-23 CEP7-EECB B KTB7-25H-10A CA7-30 CEP7-EEED B KTB7-25H-16A CA7-30 CEP7-EEED B KTB7-25H-25A CA7-30 CEP7-EEED ~ 39B KTB7-45H-25A CA7-30 CEP7-EEED B KTB7-45H-32A CA7-30 CEP7-EED B KTB7-45H-32A CA7-37 CEP7-EED B KTB7-45H-45A CA7-37 CEP7-EED ~ 46B KTB7-45H-45A CA7-43 CEP7-EED ~ 600Y / 347V Definition of short-circuit coordination per UL508 The contactor or starter must not endanger persons or plant in the event of a short-circuit. The contactor or starter must be suitable for continuous use. No damage to the overload relay or other parts may occur with the exception of welding of the contactor or starter contacts if these can be easily separated without appreciable deformation (such as with a screwdriver). In the event of a short-circuit, fast-opening, strong current-limiting KT7 motor protectors make it possible to build economical, fully short-circuit coordinated starter combinations in accordance with UL508E, coordination. Gray type indicates non-cataloged assembly. Contact your Sprecher+ Schuh representative for information. ➊ The ratings in these tables assume connection between components are made with Sprecher + Schuh Connection Modules. Engineering Practice allows wire connection as an alternative. ➋ UL approved, ile

4 Technical Information Short Circuit Ratings KT7 Assembly IEC Application Rating Chart (Ratings are dependent on type of application) ➊ Rating Index Assembly Components IEC kw Ratings for Standard Motors, 1500 rpm Max. kw, 50Hz ➋ Max. Short-Circuit Current [ka] IEC Coordination Max. Short-Circuit Current [ka] IEC Coordination KT7 Min. Contactor 230V 0V 500V 0V 230V 0V 500V 0V 230V 0V 500V 0V KTA7 + CA7 IEC Assemblies (CL7 / CLU7/ CK7 / CKU7) 1 KTA7-25S-0.16A CA7-9 ~ ~ KTA7-25S-0.25A CA KTA7-25S-0.4A CA KTA7-25S-0.63A CA KTA7-25S-1A CA KTA7-25S-1.6A CA KTA7-25S-2.5A CA KTA7-25S-4A CA ~ ~ 9 KTA7-25S-6.3A CA ~ ~ 10 KTA7-25S-10A CA ~ ~ ~ ~ 11 KTA7-25S-10A CA ~ -- KTA7-25S-10A CA ~ 12 KTA7-25S-16A CA ~ ~ ~ ~ ~ ~ -- KTA7-25S-16A CA ~ ~ 50 ~ ~ ~ 14 KTA7-25S-16A CA ~ ~ 15 KTA7-25S-20A CA ~ ~ 15 ~ ~ ~ 16 KTA7-25S-25A CA ~ ~ 15 ~ ~ ~ 17 KTA7-25H-2.5A CA KTA7-25H-2.5A CA KTA7-25H-4A CA ~ 21 KTA7-25H-4A CA KTA7-25H-6.3A CA ~ -- KTA7-25H-10A CA ~ ~ ~ ~ 24 KTA7-25H-10A CA ~ -- KTA7-25H-10A CA KTA7-25H-16A CA ~ ~ ~ ~ ~ ~ 28 KTA7-25H-16A CA ~ ~ ~ -- KTA7-25H-16A CA ~ 31 KTA7-25H-20A CA ~ ~ ~ 33 KTA7-25H-25A CA ~ ~ ~ KTA7 + CA8 IEC Assemblies (CL8 / CLU8) 1M KTA7-25S-0.16A CA8-09 ~ 0.02 ~ ~ ~ ~ 2M KTA7-25S-0.25A CA ~ ~ ~ 3M KTA7-25S-0.4A CA ~ ~ ~ 4M KTA7-25S-0.63A CA ~ ~ ~ 5M KTA7-25S-1A CA ~ ~ ~ 6M KTA7-25S-1.6A CA ~ ~ ~ 7M KTA7-25S-2.5A CA ~ ~ ~ 8M KTA7-25S-4A CA ~ ~ ~ 9M KTA7-25S-6.3A CA ~ ~ ~ ~ ~ 10M KTA7-25S-10A CA ~ ~ ~ ~ ~ 11M KTA7-25S-10A CA ~ ~ ~ ~ ~ 12M KTA7-25S-16A CA ~ ~ ~ ~ ~ ~ Gray type indicates non-cataloged assembly. Contact your Sprecher+ Schuh representative for information. ➊ The ratings in these tables assume connection between components are made with Sprecher + Schuh Connection Modules. Engineering Practice allows wire connection as an alternative. ➋ kw ratings shown in the table are for reference. inal selection of the starter depends upon the actual motor full-load current and service factor. 76

5 Wiring Diagrams Series CK7 EcomboPlus Combination Starters CK CK

6 Wiring Diagrams Series CLT7 3-Component ECombo Starters CLT Typical Diagram 78

7 Series CL(U)8 and CL(U)7 Ecombo Combination Starters CL8 and CLU8 Ecombo Starters with KT7-25S Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes. CL7-9 23(E) and CLU7-9 23(E) Ecombo Starters with KT7-25S Catalog Number ➊ a a1 b b1 b2 c c1 CL7-9(E)...CL7-23(E) 45 (1-25/32) (7) 45 (1-25/32) ~ 83.5 (3-19/) 70 (2-49/) CL7-9(E)...CL7-23(E) with -TE1 Terminal Adaptor 45 (1-25/32) (7-13/32) 55 (2-5/32) ~ 83.5 (3-19/) 70 (2-49/) CLU7-9(E)...CLU7-23(E) 45 (1-25/32) 10 (25/) 178 (7) 45 (1-25/32) ~ 83.5 (3-19/) 70 (2-49/) CLU7-9(E)...CLU7-23(E) with -TE1 Terminal Adaptor 45 (1-25/32) 10 (25/) 188 (7-13/32) 55 (2-5/32) ~ 83.5 (3-19/) 70 (2-49/) ➊ Dimensions shown apply to AC coil contactors, or 12V or 24V Electronic DC coil contactors. Add 24 mm (1-25/32 ) to accommodate back pack on 36V 250V Electronic DC coils. See page A86 for details. 79

8 Series CL(U)8 and CL(U)7 Ecombo Combination Starters CL (E) and CLU (E) Ecombo Starters with KT7-45H Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes c2 Catalog Number ➊➋ a a1 b b1 b2 c c1 c2 + CL7-30(E) 54 (2.) ~ 228 (8.97) (2.72) (4.30) (4.82) (5.29) ~ 9 CL7-37(E) 54 (2.) ~ 228 (8.97) (2.72) (4.30) (4.82) (5.29) ~ 9 CL7-43(E) 54 (2.) ~ 228 (8.97) (2.72) (4.30) 136 (5.35) 137 (5.39) 31 (1.22) 9 CLU7-30(E) 54 (2.) (8.97) (2.72) (4.30) (4.82) (5.29) ~ 9 CLU7-37(E) 54 (2.) (8.97) (2.72) (4.30) (4.82) (5.29) ~ 9 CLU7-43(E) 54 (2.) (8.97) (2.72) (4.30) 136 (5.35) 137 (5.39) 31 (1.22) 9 ➊ CL (E) and CLU (E) include W Mounting Module. CLU7 includes W Spacer. ➋ Dimensions shown apply to AC coil contactors, or 12V or 24V Electronic DC coil contactors. Add 24 mm (1-25/32 ) to accomodate back pack on 36V 250V Electronic DC coils. See page A86 for details. 80

9 CK(U) EcomboPlus Combination Starters CK and CKU EcomboPlus Starters Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes. A (mm) Direct on-line starters ➊ CK7-9(E) CK7-12(E) KT7-25S 112 CK7-16(E) CK7-23(E) KT7-25H 122 Reversing Starters CKU7-9 CKU7-12 KT7-25S 112 CKU7-16 CKU7-23 KT7-25H 122 B (mm) CA7-PV, CS7-PV CZE-7, CZA7 CV7 CA7-PV, CS7-PV CZE7, CZA7 CV7 C (mm) ➊ Dimensions shown apply to AC coil contactors, or 12V or 24V Electronic DC coil contactors. Add 24 mm (1-25/32 ) to accomodate back pack on 36V 250V Electronic DC coils. See page A86 for details. 81

10 Mounting Position and Dimensions CK EcomboPlus Combination Starters CK Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes. 82

11 CK7-30 and CK7-37 EcomboPlus Combination Starters CK Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes. CK7-30(E) ➊ CK7-37(E) ➊ A (mm) B (mm) KT7-45H ➊ Dimensions shown apply to AC coil contactors, or 12V or 24V Electronic DC coil contactors. Add 24 mm (1-25/32 ) to accomodate back pack on 36V 250V Electronic DC coils. See page A86 for details. C (mm) CA7-PV CZE CV

12 CK7-43 EcomboPlus Combination Starters CK7-43 Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes. See previous page for dimensions A, B & C locations A (mm) B (mm) CK7-43(E) ➊ KT7-45H ➊ Dimensions shown apply to AC coil contactors, or 12V or 24V Electronic DC coil contactors. Add 24 mm (1-25/32 ) to accomodate back pack on 36V 250V Electronic DC coils. See page A86 for details. C (mm) CA7-PV 157 CZE7 176 CV

13 Series CLT7 Non-Reversing Three Component Combination Starters ➌ ➊ KTB7-25S + CA CEP7-ED1/EE ➊ KTB7-25H + CA CEP7-EE 35 ➊ KTB7-45H + CA CEP7-EE KTB7-45H + CA CEP7-EE 63 ➊ ➊ 54 ➊ 63 ➋ 63 ➋ 72 ➋ 72 ➋ ➊ Circuit Breaker: KTB7-25S Circuit Breaker: KTB7-25S 63 Contactors: ➋ CA Contactors: 72 ➋ CA Motor Protection Relay: CEP7-D/E Motor Protection Relay: CEP7-D/E 63 ➊ ➋ 72 ➋ 54 Circuit Breaker: KTB7-25H Circuit Breaker: 72 ➋ KTB7-25H Contactors: CA Contactors: CA Motor Protection Relay: CEP7-D/E Motor Protection Relay: CEP7-D/E 63 ➊ ➋ ➋ ➋ ➋ Dimensions are in millimeters 72 ➋ (inches). Dimensions not intended for manufacturing purposes. 76 ➋ Circuit Breaker: KTB7-45H Circuit Breaker: KTB7-45H Circuit Breaker: KTB7-45H Circuit Breaker: KTB7-45H Contactors: CA Contactors: CA Contactors: CA7-43 Contactors: CA7-43 ➊ With additional side mount Motor auxiliary Protection or trip Relay: contact(s) CEP7-D/E Motor Protection Relay: CEP7-D/E Motor Protection Relay: CEP7-D/E Motor Protection Relay: CEP7-D/E ➋ With CEP7-E* Side Mount Modules Circuit Breaker: KTB7-45H Circuit Breaker: KTB7-45H ➌ Dimensions shown apply to AC coil contactors, or 12V Contactors: or 24V Electronic DC CA coil contactors. Add 24 mm (1-25/32 ) to Contactors: accommodate back pack CA7-43 on 36V 250V Electronic DC coils. See page A86 for Motor details. Protection Relay: CEP7-D/E Motor Protection Relay: CEP7-D/E ➊ With additional side-mount ➊ aux. With or additional trip contact(s) side-mount aux. or trip contact(s) ➋ With CEP7-E* side-mount module ➋ With CEP7-E* side-mount module 85

14 Series CLUT7 Reversing Three Component Combination Starters ➋ KTB7-25S + CAU CEP7-ED1/EE KTB7-45H + CA CEP7-EE ➊ KTB7-45H + CA CEP7-EE ➊ ➊ ➊ Circuit Breaker: KTB7-45H Circuit Breaker: KTB7-45H Contactors: CA Dimensions are in millimeters (inches). Contactors: Dimensions CA7-43 not intended for manufacturing purposes. Motor Protection Relay: CEP7-E Motor Protection Relay: CEP7-E ➊ With additional side mount auxiliary contact(s) ➋ Dimensions shown apply to AC coil contactors, or 12V or 24V Electronic DC coil contactors. Add 24 mm (1-25/32 ) to accommodate back pack on 36V 250V Electronic DC coils. See page A86 for details. ➊ With additional side-mount aux. contact(s) 86

15 Notes 87