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 Eaton FERRUPS External Maintenance Bypass Switches: Wiring Diagrams and Tables


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Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15
FE or QFE 500 VA–3.1 kVA UPS* FE 500 VA–3.1 kVA UPS* FE 500 VA–3.1 kVA UPS* QFE 500 VA–3.1 kVA UPS* FE 4.3–7 kVA UPS* FE 4.3–18 kVA UPS* FE 4.3–18 kVA UPS* FE or QFE 4.3–18 kVA UPS*
*With External Bypass




External Bypass Switch Wiring Diagrams

Model (Frequency) UPS Input Voltage UPS Output Voltage Bypass Switch Type Wiring Diagram
FE 500 VA–3.1 kVA
(60Hz)
120 120 MBB or BBM Figure 8
208 or 240 120/208 or 120/240 MBB or BBM
For 208V, use BBM only
Figure 9
208 or 480 source*/
240 input
120/240 MBB or BBM Figure 10
QFE 500 VA–3.1 kVA
(50 Hz)
120 120 MBB or BBM Figure 8
220, 230, 240 220, 230, 240 MBB or BBM Figure 11
FE 1.15 kVA–3.1 kVA
(60 Hz)
220 220 BBM Figure 8
FE 4.3–18 kVA (60 Hz) 120
(4.3–7 kVA only)
120 MBB or BBM Figure 12
208 or 240 120/208 or 120/240 MBB or BBM
For 208V, use BBM only
Figure 13
208 or 480 source*/
240 input
120/240 MBB or BBM Figure 14
220** 220 BBM Figure 15
QFE 4.3–18 kVA (50 Hz) 220, 230, or 240 220, 230, or 240 MBB or BBM Figure 15
*With a step-up or step-down transformer.
**Contact your service representative for (a) single-phase installations that do not have the same input and output voltage, or (b) split-phase installations that require 220 Vac.


Recommended Wire Sizes

Input Circuit Breaker Size 75°C Copper Wire Size
15A, 20A 12 AWG (3.3 mm2)
25A, 30A 10 AWG (5.3 mm2)
35A, 40A, 45A, 50A 8 AWG (8.4 mm2)
60A 6 AWG (13.3 mm2)
70A, 80A 4 AWG (21.2 mm2)
90A, 100A 3 AWG (26.7 mm2)
110A 2 AWG (33.6 mm2)
125A 1 AWG (42.1 mm2)
150A 1/0 AWG (53.5 mm2)


Figure 7. External Bypass Switch Terminal Strip Labels
(Click here to show diagram)



Figure 8. FE or QFE 500 VA–3.1 kVA UPS with External Bypass Switch


Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
QFE: 50 Hz 120 Vac Input and Output OR
FE: 60 Hz 120 Vac Input and Output OR
FE 1.15–3.1 kVA only: 60 Hz 220 Vac Input and Output (with single-voltage output)
For 220 Vac, use only a BBM switch.


Minimum Recommended Circuit Breakers for 60 Hz 120 Vac

Charger 500 VA, 700 VA, and 850 VA 1.15 kVA 1.4 kVA 1.8 kVA 2.1 kVA 3.1 kVA
Standard 4.4A 5.8A 7.0A 8.4A 11A 15A
15A   20 20 40 45 50

Input Current for 50 Hz 120 Vac - Size Overcurrent Protection According to Local Code

Charger 500 VA 700 VA 850 VA 1.15 kVA 1.4 kVA 1.8 kVA 2.1 kVA 3.1 kVA
120V, Standard Charger 4.4A 5.8A 7.0A 8.4A 11A 15A 16A 24A
120V, 15A Charger 8.9A 11A 12A 13A 14A 27A 28A 35A


Input Current for 60 Hz 220 Vac - Size Overcurrent Protection According to Local Code

60 Hz Voltage 1.15 kVA 1.4 kVA 1.8 kVA 2.1 kVA 3.1 kVA
220V, Standard Charger 4.6A 5.8A 7.8A 9.4A 12A
220V, 15A Charger 7A 8A 15A 17A 21A


Figure 9. FE 500 VA–3.1 kVA UPS with External Bypass Switch


Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
60 Hz 208 Vac or 240 Vac Input - 120/208 Vac or 120/240 Vac Output
For 208 Vac, use only a BBM switch.


Minimum Recommended Circuit Breakers for 208 Vac or 240 Vac

 
208 Vac 240 Vac
Charger 500 VA – 1.4 kVA 1.8 kVA 2.1 kVA 3.1 kVA 500 VA – 1.4 kVA 1.8 kVA 2.1 kVA 3.1 kVA
Standard 15 15 15 20 15 15 15 15
15A 15 20 25 30 15 20 20 25


Figure 10. FE 500 VA–3.1 kVA UPS with External Bypass Switch


Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
60 Hz 208 or 480 Source/240 Vac Input - 120/240 Vac Output (with Transformer)


Minimum Recommended Circuit Breakers for 240 Vac

Charger 500 VA–1.4 kVA 1.8 kVA 2.1 kVA 3.1 kVA
Standard 15 15 15 15
15A 15 20 20 25


Figure 11. QFE 500 VA–3.1 kVA UPS with External Bypass Switch

Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
50 Hz 220, 230, or 240 Vac Input and Output


Input Current - Size Overcurrent Protection According To Local Code

Voltage Charger 500 VA 700 VA 850 VA 1.15 kVA 1.4 kVA 1.8 kVA 2.1 kVA 3.1 kVA
220 Vac
Standard 2.6A 3.9A 4.4A 4.9A 5.7A 7.9A 8.2A 13A
15A 4.7A 6.0A 6.5A 7.0A 7.8A 14A 15A 19A
230 Vac
Standard 2.5A 3.8A 4.2A 4.6A 5.4A 7.5A 7.8A 12A
15A 4.6A 5.9A 6.3A 6.7A 7.5A 14A 14A 18A
240 Vac Standard 2.4A 3.5A 4.0A 4.4A 5.2A 7.2A 7.4A 12A
15A 4.6A 5.7A 6.2A 6.6A 7.4A 14A 14A 19A


Figure 12. FE 4.3–7 kVA UPS with External Bypass Switch


Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
60 Hz 120 Vac Input - 120 Vac Output


Minimum Recommended Circuit Breakers for 120 Vac

Charger 4.3 kVA 5.3 kVA 7 kVA
Standard 40 50 70
10A 45 60 70
20A 50 60 70


Figure 13. FE 4.3–18 kVA UPS with External Bypass Switch


Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
60 Hz 208 Vac or 240 Vac Input - 120/208 Vac or 120/240 Vac Output
For 208 Vac, use only a BBM switch.


Minimum Recommended Circuit Breakers for 208 Vac or 240 Vac

 
208 Vac 240 Vac
Charger 4.3
kVA
5.3
kVA
7
kVA
10
kVA
12.5
kVA
18
kVA
4.3
kVA
5.3
kVA
7
kVA
10
kVA
12.5
kVA
18
kVA
Standard 25 30 40 60 80 110 20 25 35 50 70 100
10A 25 30 40 70 80 125 20 30 35 60 70 100
20A 30 35 40 70 90 125 25 35 35 60 80 110


Figure 14. FE 4.3–18 kVA UPS with External Bypass Switch


Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
60 Hz 208 or 480 Source/240 Vac Input - 120/240 Vac Output (with Transformer)


Minimum Recommended Circuit Breakers for 240 Vac

Charger 4.3 kVA 5.3 kVA 7 kVA
10 kVA 12.5 kVA 18 kVA
Standard 20 25 35 50 70 100
10A 20 30 35 60 70 100
20A 20 35 35 60 80 110


Figure 15. FE or QFE 4.3–18 kVA UPS with External Bypass Switch

Installation to be performed by a qualified electrician.<br />
 All grounds tied through din mounting rail and are bonded to chassis ground.<br />
Both Switches shown in 'off' position<br />
QFE: 50 Hz 220, 230, or 240 Vac Input and Output OR
FE: 60 Hz 220 Vac Input and Output
For FE 60 Hz 220 Vac, use only a BBM switch.


Input Current - Size Overcurrent Protection According To Local Code

Voltage Charger 4.3 kVA 5.3 kVA 7 kVA 10 kVA 12.5 kVA 18 kVA
60 Hz
220 Vac
Standard 17A 21A 27A 41A 53A 81A
10A 18A 23A 28A 49A 60A 85A
20A 20A 25A 30A 52A 65A 89A
50 Hz
220 Vac
Standard 19A 21A 27A 43A 55A 81A
10A 22A 23A 28A 46A 58A 84A
20A 23A 25A 29A 51A 63A 89A
50 Hz
230 Vac
Standard 18A 20A 26A 41A 53A 78A
10A 20A 22A 27A 44A 56A 81A
20A 21A 24A 28A 49A 60A 85A
50 Hz
240 Vac
Standard 17A 19A 24A 39A 51A 75A
10A 19A 21A 26A 43A 54A 78A
20A 20A 23A 27A 47A 58A 82A




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