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Undervoltage Trigger up to 7.5 kW 400 V~/AC-3
with Main Switch Function
according to IEC 204-1, EN60204-1, Section 7.5 to guard against automatic restarts after voltage dips and recovery
Special features:
- Latched power contactor type KB-S-30 and KB-SM-30 (with integrated motor protection)
- According to IEC947-1, EN60974-1, DIN VDE0660 Part 100
IEC947-4-1, EN60947-1, DIN VDE0660 Part 102 - For the switching of motors up to 4.0 kW 230 V~ and 7.5 kW 400 V~/AC-3
- Electrical/mechanical ON/OFF (by rotary switch)
- Electrical OFF
- Main switch function according to EN60204
- Connection via DIN flat-pin plug 6.3x0.8mm
- Compact design
- Overload protection possible
- Visible switching status
- Lockable at the rotary button
- High switching capacity
- Remote triggering possible
Technical data
- Designation
- U.-spg.-KB-S
Technical data (Contact side / Load side):
- Assembly
- 2s, 3s, 3s1ö, 2 leading contacts
- Mechanical life span
- 1x 105 cycles
- Electrical life span
- 5x 104 cycles
- Rated operating voltage Ue
- 400 V~
- Rated operating current Ie
- 16 A
- Short-circuit protection
- By line-side 16 A fuse
- Rated power
at 230V~
at 400V~
4.0 kW / AC-3
7.5 kW / AC-3- Switching rate
- 120/h (at Ie)
- Distance between contacts when open
- >3 mm
- Rated insulation voltage Ui
- 400 V~
- Contact material
- AgCdO
- Case material
- PA6.6 V-0
- Time delay on break contact
- 50-200 ms (adjustable, specially for electric brake)
Use in Series
Coil data:
| Rated voltage | 230 V/50-60 Hz 100% of running time | 400 V/50 Hz 100% of running time |
| Actuation | according to VDE0660 7.2.1.2 between 85% - 110% Us |
|
| Dropout voltage | according to VDE0660 7.2.1.2 between 75% - 20% Us |
|
| Pickup power at stroke 0 mm | 3.6 VA |
4.0 VA |
| Pickup power at stroke 6 mm | 10.6 VA |
11.0 VA |
| Ambient temperature range | 75° C |
50° C |
| Insulation class according to VDE0660 | B |
B |
| D.C. resistance at 20° C | 3900 Ω |
11950 Ω |
| Max. voltage | 230 V~ |
400 V~ |
| Temperature-rise limit | 40° K |
65° K |