Danfoss VLT HVAC Design Guide

5.4 Additional Connections
5.4.1 Mains Disconnectors
Assembling of IP55 / NEMA Type 12 (A5 housing) with mains disconnector
Mains switch is placed on left side on frame sizes B1, B2, C1 and C2 . Mains switch on A5 frames is placed on right side
Frame size: Type: Terminal connections:
A5 Kraus&Naimer KG20A T303
B1 Kraus&Naimer KG64 T303
B2 Kraus&Naimer KG64 T303
C1 37 kW Kraus&Naimer KG100 T303
C1 45-55 kW Kraus&Naimer KG105 T303
C2 75 kW Kraus&Naimer KG160 T303
C2 90 kW Kraus&Naimer KG250 T303
5.4.2 Mains Disconnectors - Frame Size D, E and F
Frame size Power & Voltage Type
D1/D3 P110-P132 380-480V & P110-P160 525-690V ABB OETL-NF200A or OT200U12-91
D2/D4 P160-P250 380-480V & P200-P400 525-690V ABB OETL-NF400A or OT400U12-91
E1/E2 P315 380-480V & P450-P630 525-690V ABB OETL-NF600A
E1/E2 P355-P450 380-480V ABB OETL-NF800A
F3 P500 380-480V & P710-P800 525-690V Merlin Gerin NPJF36000S12AAYP
F3 P560-P710 380-480V & P900 525-690V Merlin Gerin NRK36000S20AAYP
F4 P800-P1M0 380-480V & P1M0-P1M4 525-690V Merlin Gerin NRK36000S20AAYP
VLT
®
HVAC Drive Design Guide 5 How to Install
MG.11.B9.02 - VLT
®
is a registered Danfoss trademark 107
5

Danfoss VLT HVAC Specifications

General

Enclosure Rating	IP20, IP21, IP54, IP55, IP66
Storage Temperature Range	-25°C to +70°C
Output Voltage Range	0-100% of supply voltage
Communication Protocols	Modbus RTU, BACnet, Ethernet/IP, Profibus DP
Ambient Temperature Range	-10°C to +50°C (without derating)
Relative Humidity	5% to 95% non-condensing
Altitude	Up to 1000 m without derating
Cooling Method	Air cooled
Application	HVAC systems, Pumps, Fans, Compressors
Voltage Range	200-240 V, 380-500 V, 525-600 V
Frequency Range	0 Hz to 590 Hz