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COSMO - 60mm busbar system
COSMO - Current distribution components
Extended filters
Cable terminal
busbar thickness (mm)
Fuse monitoring
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Inquiry: 0 Article
NH-fuse-switch-disconnector acc. to IEC/EN 60947-3, VDE 0660 part 107;
- for permanent mouting technology
- All parts made from halogenfree, self-extinguishing material
- Type label visible in built-in condition
- Direction of cable terminal turnable by customer
- with sealing possibility
- with retrofitable locking unit
- with sliding windows for voltage test
1 - 6 (11)Number:
Product Features
t3_keto-3-3_60_nh-sicherungslasttrennschalter.png
Type designation: KETO-3-3/60/AOU/F
Article number: T301116002
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole
for mounting on 3pole busbar system with 60mm centre-to-centre distance
with screw terminal M10 x 25
cable terminal at top or bottom side, at customers option
new design (black switching handle)
Type: KETO-3-3/60/AOU/F
Size: NH3
Rated operating voltage Ue: 690 V
Rated operating current Ie: 630 A
Cable terminal: Flat terminal M10
Direction of cable terminal: variable
busbar thickness: 5; 10 mm
Poles: 3
Fuse monitoring: None
Width: 250 mm
Article number: T301116002
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole
for mounting on 3pole busbar system with 60mm centre-to-centre distance
with screw terminal M10 x 25
cable terminal at top or bottom side, at customers option
new design (black switching handle)
Type KETO-3-3/60/AOU/F
Size NH3
Rated operating voltage Ue 690 V
Rated operating current Ie 630 A
Cable terminal Flat terminal M10
Direction of cable terminal variable
busbar thickness 5; 10 mm
Poles 3
Fuse monitoring None
Width 250 mm
t3_keto-3-3-60-esl_nh-sicherungslasttrennschalter_bearbeitet.png
Type designation: KETO-3-3/60/AOU/F/ESL
Article number: T301116172
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with screw terminal M10 x 25 cable terminal at top or bottom side, at customers option with optical indicator in case of blown fuse-link (LED)
Type: KETO-3-3/60/AOU/F/ESL
Size: NH3
Rated operating voltage Ue: 500 V
Rated operating current Ie: 630 A
Cable terminal: Flat terminal M10
Direction of cable terminal: variable
busbar thickness: 5; 10 mm
Poles: 3
Fuse monitoring: Local indicator (LED)
Article number: T301116172
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with screw terminal M10 x 25 cable terminal at top or bottom side, at customers option with optical indicator in case of blown fuse-link (LED)
Type KETO-3-3/60/AOU/F/ESL
Size NH3
Rated operating voltage Ue 500 V
Rated operating current Ie 630 A
Cable terminal Flat terminal M10
Direction of cable terminal variable
busbar thickness 5; 10 mm
Poles 3
Fuse monitoring Local indicator (LED)
t3_keto-3-3_60_nh-sicherungslasttrennschalter.png
Type designation: KETO-3-3/60/AOU/R300
Article number: T301556002
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with box clamp R300, max. clamping range: 95-300mm² Al/Cu cable terminal at top or bottom side, at customers option
Type: KETO-3-3/60/AOU/R300
Size: NH3
Rated operating voltage Ue: 690 V
Rated operating current Ie: 630 A
Cable terminal: Frame clamp R300 95-300mm²
Direction of cable terminal: variable
busbar thickness: 5; 10 mm
Poles: 3
Fuse monitoring: None
Article number: T301556002
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with box clamp R300, max. clamping range: 95-300mm² Al/Cu cable terminal at top or bottom side, at customers option
Type KETO-3-3/60/AOU/R300
Size NH3
Rated operating voltage Ue 690 V
Rated operating current Ie 630 A
Cable terminal Frame clamp R300 95-300mm²
Direction of cable terminal variable
busbar thickness 5; 10 mm
Poles 3
Fuse monitoring None
t3_keto-3-3-60-esl_nh-sicherungslasttrennschalter_bearbeitet.png
Type designation: KETO-3-3/60/AOU/R300/ESL
Article number: T301556172
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with box clamp R300, max. clamping range: 95-300mm² Al/Cu cable terminal at top or bottom side, at customers option with optical indicator in case of blown fuse-link (LED)
Type: KETO-3-3/60/AOU/R300/ESL
Size: NH3
Rated operating voltage Ue: 500 V
Rated operating current Ie: 630 A
Cable terminal: Frame clamp R300 95-300mm²
Direction of cable terminal: variable
busbar thickness: 5; 10 mm
Poles: 3
Fuse monitoring: Local indicator (LED)
Width: 250 mm
Article number: T301556172
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with box clamp R300, max. clamping range: 95-300mm² Al/Cu cable terminal at top or bottom side, at customers option with optical indicator in case of blown fuse-link (LED)
Type KETO-3-3/60/AOU/R300/ESL
Size NH3
Rated operating voltage Ue 500 V
Rated operating current Ie 630 A
Cable terminal Frame clamp R300 95-300mm²
Direction of cable terminal variable
busbar thickness 5; 10 mm
Poles 3
Fuse monitoring Local indicator (LED)
Width 250 mm
t3_keto-3-3-60-es10_nh-sicherungslasttrennschalter_bearbeitet.png
Type designation: KETO-3-3/60/AOU/F/ES10
Article number: T301116072
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with screw terminal M10 x 25 cable terminal at top or bottom side, at customers option with electronic fuse-monitoring unit ES10
Type: KETO-3-3/60/AOU/F/ES10
Size: NH3
Rated operating voltage Ue: 500 V
Rated operating current Ie: 630 A
Cable terminal: Flat terminal M10
Direction of cable terminal: variable
busbar thickness: 5; 10 mm
Poles: 3
Fuse monitoring: Electronic Fuse Monitoring Unit ES10
Rated operational voltage:  AC400-500V (+/-10%)
Power supply: Self-powered
Input power: 1,5VA
Overvoltage category: 
  • 230/400V: III (4kV)
  • 500V: II (4kV)
Input resistance: >1k Ohm/V
Temperature range: -5 up to + 55

Relay output: 1NC/1NO
Switching power:
  • AC250V: 1A
  • DC220V: 0,3A
  • DC30V: 2A
Operation indicator: 1 LED green
Alarm indicator: 3 LED (F1, F2, F3) red
Functional test: Test key for relay + LEDs
EMV: IEC 61000-4-5/IEC 61000-4-4
Article number: T301116072
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with screw terminal M10 x 25 cable terminal at top or bottom side, at customers option with electronic fuse-monitoring unit ES10
Type KETO-3-3/60/AOU/F/ES10
Size NH3
Rated operating voltage Ue 500 V
Rated operating current Ie 630 A
Cable terminal Flat terminal M10
Direction of cable terminal variable
busbar thickness 5; 10 mm
Poles 3
Fuse monitoring Electronic Fuse Monitoring Unit ES10
Rated operational voltage:  AC400-500V (+/-10%)
Power supply: Self-powered
Input power: 1,5VA
Overvoltage category: 
  • 230/400V: III (4kV)
  • 500V: II (4kV)
Input resistance: >1k Ohm/V
Temperature range: -5 up to + 55

Relay output: 1NC/1NO
Switching power:
  • AC250V: 1A
  • DC220V: 0,3A
  • DC30V: 2A
Operation indicator: 1 LED green
Alarm indicator: 3 LED (F1, F2, F3) red
Functional test: Test key for relay + LEDs
EMV: IEC 61000-4-5/IEC 61000-4-4
t3_keto-3-3-60-es10_nh-sicherungslasttrennschalter_bearbeitet.png
Type designation: KETO-3-3/60/AOU/R300/ES10
Article number: T301556072
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with box clamp R300, max. clamping range: 95-300mm² Al/Cu cable terminal at top or bottom side, at customers option with electronic fuse-monitoring unit ES10
Type: KETO-3-3/60/AOU/R300/ES10
Size: NH3
Rated operating voltage Ue: 500 V
Rated operating current Ie: 630 A
Cable terminal: Frame clamp R300 95-300mm²
Direction of cable terminal: variable
busbar thickness: 5; 10 mm
Poles: 3
Fuse monitoring: Electronic Fuse Monitoring Unit ES10
Rated operational voltage:  AC400-500V (+/-10%)
Power supply: Self-powered
Input power: 1,5VA
Overvoltage category: 
  • 230/400V: III (4kV)
  • 500V: II (4kV)
Input resistance: >1k Ohm/V
Temperature range: -5 up to + 55

Relay output: 1NC/1NO
Switching power:
  • AC250V: 1A
  • DC220V: 0,3A
  • DC30V: 2A
Operation indicator: 1 LED green
Alarm indicator: 3 LED (F1, F2, F3) red
Functional test: Test key for relay + LEDs
EMV: IEC 61000-4-5/IEC 61000-4-4
Article number: T301556072
Descriptionaccording to EN60947-3, size NH3 - 630A, 3pole for mounting on 3pole busbar system with 60mm centre-to-centre distance with box clamp R300, max. clamping range: 95-300mm² Al/Cu cable terminal at top or bottom side, at customers option with electronic fuse-monitoring unit ES10
Type KETO-3-3/60/AOU/R300/ES10
Size NH3
Rated operating voltage Ue 500 V
Rated operating current Ie 630 A
Cable terminal Frame clamp R300 95-300mm²
Direction of cable terminal variable
busbar thickness 5; 10 mm
Poles 3
Fuse monitoring Electronic Fuse Monitoring Unit ES10
Rated operational voltage:  AC400-500V (+/-10%)
Power supply: Self-powered
Input power: 1,5VA
Overvoltage category: 
  • 230/400V: III (4kV)
  • 500V: II (4kV)
Input resistance: >1k Ohm/V
Temperature range: -5 up to + 55

Relay output: 1NC/1NO
Switching power:
  • AC250V: 1A
  • DC220V: 0,3A
  • DC30V: 2A
Operation indicator: 1 LED green
Alarm indicator: 3 LED (F1, F2, F3) red
Functional test: Test key for relay + LEDs
EMV: IEC 61000-4-5/IEC 61000-4-4
1 - 6 (11)