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Valid for EN60204 region.
Power Supply
| Device | Fuse class | Voltage rating / Interrupting rating |
Max. Ampere rating |
Example class gRL SIBA |
|---|---|---|---|---|
| AKD-x00306 | gRL, gL | 500VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| AKD-x00606 | gRL, gL | 500VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| AKD-x01206 | gRL, gL | 500VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| AKD-x02406 | gRL, gL | 500VAC / 200kArms | 30A (Time-Delay) | 30A gRL(gS) 600VAC/200kA 10x38mm |
| AKD-x00307 | gRL, gL | 500VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| AKD-x00607 | gRL, gL | 500VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| AKD-x01207 | gRL, gL | 500VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| AKD-x02407 | gRL, gL | 500VAC / 200kArms | 30A (Time-Delay) | 30A gRL(gS) 600VAC/200kA 10x38mm |
| S303 | gS, gG | 400VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| S306 | gS, gG | 400VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| S310 | gS, gG | 400VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| S341 | gS, gG | 500VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| S343 | gS, gG | 500VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| S346 | gS, gG | 500VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| S403M | gS, gG | 400VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| S406M | gS, gG | 400VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| S443M | gS, gG | 500VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| S446M | gS, gG | 500VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| S601 | gS, gG | 500VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| S603 | gS, gG | 500VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| S606 | gS, gG | 500VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| S610 | gS, gG | 500VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| S614 | gS, gG | 500VAC / 200kArms | 20A (Time-Delay) | 20A gRL(gS) 600VAC/200kA 10x38mm |
| S620 | gS, gG | 500VAC / 200kArms | 20A (Time-Delay) | 20A gRL(gS) 600VAC/200kA 10x38mm |
| S640 | gS, gG | 500VAC / 200kArms | 50A (Time-Delay) | 50A gRL(gS) 600VAC/200kA 10x38mm |
| S670 | gS, gG | 500VAC / 200kArms | 80A (Time-Delay) | 80A gRL(gS) 600VAC/200kA 10x38mm |
| S701 | gS, gG | 500VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| S703 | gS, gG | 500VAC / 200kArms | 6A (Time-Delay) | 6A gRL(gS) 600VAC/200kA 10x38mm |
| S706 | gS, gG | 500VAC / 200kArms | 10A (Time-Delay) | 10A gRL(gS) 600VAC/200kA 10x38mm |
| S712 | gS, gG | 500VAC / 200kArms | 16A (Time-Delay) | 16A gRL(gS) 600VAC/200kA 10x38mm |
| S724 | gS, gG | 500VAC / 200kArms | 30A (Time-Delay) | 30A gRL(gS) 600VAC/200kA 10x38mm |
| S748 | gS, gG | 500VAC / 200kArms | 60A (Time-Delay) | 60A gRL(gS) 600VAC/200kA 10x38mm |
| S772 | gS, gG | 500VAC / 200kArms | 80A (Time-Delay) | 80A gRL(gS) 600VAC/200kA 10x38mm |
Fuse Type
In Europe you must use fuses of the standardized classes gS (device and line protection) or gG (general protection) according to the supply voltage with voltage ratings of 400VAC or 500VAC.
Fuse Holder
in addition to the standard fuse blocks there are finger safe fuse holder according to IEC 60529.
Examples:
Siba: ZS modules, fuse size 10x38mm, 0 to 30A, 3 poles: 51 063 04.3
24V Supply
The description below delivers just examples for 24V fuse applications. It shows some possible applications only.
The required current values and the allowed wire cross sections for 24Vdc supply are described in the servo amplifier's instructions manuals. The 24V supply inputs are secures internally with 4A fuses. Therefore the external fuses only protect the lines.
Fuses
Micro fuse 5x20mm
Fuse holders integrated to series terminal blocks (35 mm standard rail),
e.g. from company Phoenix Contact: 4ST-HESI (5x20)
Automatic Circuit Brakers
For 35mm standard rail, e.g. from company ABB: S201-B... series
the single phase variant only is approved for min. 12Vdc to max. 60Vdc!
Important: observe the manufacturer's application notes sales information!!!
If switching power supplies are used for the 24V supply, you must consider, that these power supplies with short circuit limitation may be react as fast to a short circuit (typical <100ms), that fuses and automatic circuit brakers may not react and therefore a selectively protection isn't ensured any more.
ABB delivers special automatic circuit brakers for 60Vdc according to UL489 for Branch Circuit Protection:
Families S201 DC-k and S201 DC-Z with or without integrated auxiliary contact. These automatic circuit brakers for Branch Circuit Protection are developed especially for switching power supplies with short circuit limitation for selectively protection.
Over current protection
Electronic over current protection devices for 24Vdc supply voltage are developed especially for selectively protection for use with switching power supplies with short circuit limitation.
Examples are:
Electronic over current protection ESX10-T from company E-T-A
and the SITOP-select series of SIEMENS AG.
Brake Resistor
Minimum wire cross section of the connection between servo amplifier, fuse and external brake resistor must be ensured, see table below:
| Rated voltage mains supply |
Voltage rating of the DC fuse |
Ampere Rating of the DC Fuse | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S303 - S310 | S341 - S346 | S403M - S406M | S443M - S446M | S601 - S603 | S606 - S620 | S640 | S670 | S701 - S712 | S724 | S748 | S772 | ||
| 110/115V | min. DC 250VDC | 6A | - | 6A | - | - | - | - | - | 10A | 15A | - | - |
| 230V | min. DC 250VDC | 6A | 6A | 6A | 6A | 6A | 10A | 16A | 20A | 20A | 30A/32A | 100A | 100A |
| 400V | min. DC 440VDC | - | 6A | - | 6A | 6A | 10A | 16A | 20A | 40A | 50A | 100A | 100A |
| 480V | 600VDC – 1000VDC | - | 6A | - | 6A | 6A | 10A | 16A | 20A | 40A | 50A | 100A | 100A |
| cross section | - | 1.5mm2 | 1.5mm2 | 1.5mm2 | 1.5mm2 | 1.5mm2 | 1.5-4mm2 | 10mm2 | 10mm2 | 1.5-4mm2 | 1.5-4mm2 | 35mm2 | 35mm2 |
Fuse type
- with VBUSBAL 0, 1, 2 (110V - 400V):
e.g. fuse type class gRL (gS) from Siba, Size 22x58mm AC 690/700V and DC 440V, 30kA - with VBUSBAL 2 and 3 (400 - 480V):
e.g. fuse type class aR from Siba; Size 14x51mm DC 700V, 30/50kA
The fuses do not protect the brake resistor from thermal overload. this supervision is done by the amplifier's software, if the parameterizing is correct. The fuses shall protect from short circuit and earth short circuit!
Fuse Holder
Two pole fuse holder, type „finger-save":
Intermediate Circuit (DC Bus)
Fuse type
- with VBUSBAL 0, 1, 2 (110V - 400V):
e.g. fuse type class gRL 50A (gS) from Siba, Size 22x58mm AC 690/700V and DC 440V, 30kA - with VBUSBAL 2 and 3 (400 - 480V):
e.g. fuse type class aR 50A from Siba; Size 14x51mm DC 700V, 30/50kA
Fuse Holder
Two pole fuse holder, type „finger-save":
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