DANGER
The following ports must have the power removed before proceeding:
• P1A (Power Supply)
• P1B (Power Supply)
• Alarm Relay 1 and 2
• HV MOSFET output
DANGER
Exposed terminals present the risk of electrocution. Ensure all wires are covered.
Table 6-3. Fuse Rating
Power Supply
Low Voltage
High Voltage
Input Fuse Rating
250V
10A
Slow Blow
150Vdc
4A
Slow Blow
Input Fuse Model
Cylindrical 5mm x 20mm
Cylindrical 5mm x 20mm
Suggested Part
Littelfuse 0218010.MXP
Littelfuse 0239003.MXP
Output Fuse Rating
125V
10A
Fast Blow
125V
10A
Fast Blow
Output Fuse Model
Nano 2.69mm x 6.1mm
Nano 2.69mm x 6.1mm
Suggested Part
Littelfuse 0451010.NRL
Littelfuse 0451010.NRL
For instructions on how to replace the fuse in a GridTime 3000 product, please see the instructions in
6.6
Signal Connections
This section describes how to make a reliable connection between each of the GridTime 3000’s ports and an end
device. This includes:
• a summary of what each port is for — more detailed descriptions are in the
section
• equipment installation recommendations for each port
• how to configure high performance timing connections between applicable ports and your end device
• how to optimize each connection’s reliability
• how to safely connect and disconnect a connector on each port
The GridTime 3000 has a wide array of ports for receiving and delivering time signals, and two ports for device
management.
Installation
©
2022 Microchip Technology Inc.
and its subsidiaries
Manual
DS00004572A-page 34