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5 torque specifications, 6 specifications for grid protection – SMA STP 60-US-10 Installation User Manual

Page 50

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5  Technical Data

SMA Solar Technology AG

50

STP60-10-IA-xx-10

Installation Guide

5.5 Torque Specifications

Figure 5.2 Overview of Inverter with Torque Indications

Table 5.7: Torques

5.6 Specifications for Grid

Protection

Table 5.8: Specifications for grid protection

Parameter

Tools

Torque

1

M63 cable gland

Wrench 65/68

mm

6 Nm (53 in-lbf)

2

Terminals on AC

terminal block

TX 30

14 Nm
(124 in-lbf)

3

Primary PE

(secondary PE to

the immediate

right)

TX 30

3.9 Nm
(35 in-lbf)

4

Terminals on DC

TX 30

14 Nm
(124 in-lbf)

5

M32 cable gland

Wrench, 36 mm

6 Nm (53 in-lbf)

6

Swivel nut for M32

cable gland

Wrench, 36 mm

1.8 Nm
(16 in-lbf)

7

M25 cable gland

Wrench 33 mm

10 Nm
(89 in-lbf)

8

Swivel nut for M25

cable gland

Wrench 33 mm

1.8 Nm
(16 in-lbf)

9

M6 equipment

grounding

(equipotential

bonding terminal)

TX 20

3.9 Nm
(35 in-lbf)

Front screw (not

shown)

TX 30

1.5 Nm
(13 in-lbf)

If the blind plugs are removed (see (7) in figure 5.2 ), use
the following fittings: 3, 3S, 4, 4X, 6, 6P.

Parameter

Specification

Maximum inverter current, I

ACmax

87 A

Recommended blow fuse type gL/gG (IEC

60269-1)

100 to125 A

Recommended blow fuse Class T (UL/USA)

125 A

Recommended circuit breaker type B or C

125 A

Maximum fuse size

125 A

INFORMATION
Observe local regulations.