Hager NDN302A Manual

Hager Ikke kategoriseret NDN302A

Læs gratis den danske manual til Hager NDN302A (5 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 29 personer og har en gennemsnitlig bedømmelse på 4.8 stjerner ud af 15 anmeldelser. Har du et spørgsmål om Hager NDN302A, eller vil du spørge andre brugere om produktet?

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Side 1/5
4.44 General Catalogue • Protection Devices • Technical
Transformer/Motor Protection
Transformer Protection
Tables 19 & 20 show the recommended MCB’s for the protection of
single phase (230V) and three phase (400V) transformers.
Single Phase 230V
Recommended MCB
Transformer
Rating (VA)
Primary
Current
NBN NCN NDN
50 0.22 - 1 6
100 0.43 - 2 6
200 0.87 - 3 6
250 1.09 6 4 6
300 1.30 10 4 6
400 1.74 10 6 6
500 2.17 16 10 6
750 3.26 16 10 6
1000 4.35 25 16 10
2500 10.87 63 40 20
5000 21.74 - 63 32
7500 32.60 - - 50
10000 43.48 - - 63
Three Phase 400V
Recommended MCB
Transformer
Rating (VA)
Primary
Current
NBN NCN NDN
500 0.72 - 3 6
750 1.08 6 4 6
1000 1.44 10 6 6
2000 2.88 16 10 6
3000 4.33 25 16 10
4000 5.77 32 20 10
5000 7.21 40 25 16
7500 10.82 63 32 20
10000 14.43 - 50 25
15000 21.64 - 63 32
20000 28.86 - - 50
25000 36.07 - - 63
Motor Circuit Protection
Tables 28,29,30 and 31 give general recommendations for the
selection of circuit breakers and HRC fuses for the protection of
motor power circuits and are based on the assumptions shown in
Table 28 for a cage motor running at approximately 1400 Rev/Min.
Motor Rating DOL Starting
Conditions
Assisted Start Conditions
Up to 0.75kW 5 x FLC for 6 secs 2.5 x FLC for 15 secs
1.1 to 7.5kW 6 x FLC for 10 secs 2.5 x FLC for 15 secs
11 to 75kW 7 x FLC for 10 secs 2.5 x FLC for 15 secs
90 to 160kW 6 x FLC for 15 secs 2.5 x FLC for 20 secs
1 Phase 230V DOL Starting
Recommended Circuit Breaker
kW hp FLC A (A)
NBN
(A)
NCN
(A)
NDN
Fuse
(A)
0.18 0.25 2.8 16 10 10 10
0.25 0.33 3.2 16 10 10 16
0.37 0.5 3.5 16 10 10 16
0.55 0.75 4.8 20 16 16 16
0.75 1.0 6.2 25 20 20 20
1.1 1.5 8.7 40 25 25 25
1.5 2.0 11.8 50 32 32 32
2.2 3.0 17.5 - 50 50 40
3.0 4.0 20 - 63 63 50
3.75 5.0 24 - - - 63
5.5 7.5 36 - - - 80
7.5 10 47 - - - 100
3 Phase 400V Assisted Starting Star-Delta
Recommended Circuit Breaker
kW hp FLC A (A) NCN (A) NDN HRC Fuse (A)
3 4 6.3 16 10 16
4 5.5 8.2 20 10 16
5.5 7.5 11.2 32 16 20
7.5 10 14.4 40 25 25
11 15 21 50 32 32
15 20 27 - 40 35
18.5 25 32 - 50 40
22 30 38 - 63 50
30 40 51 - - 63
37 50 63 - - 80
45 60 76 - - 80
55 75 91 - - 100
75 100 124 - - 160
90 125 154 - - 200
110 150 183 - - 200
132 175 219 - - 250
150 200 240 - - 315
160 220 257 - - 315
4.45
Sales Service Centre • 01952 675612 Technical Support Helpline • 01952 675689
Transformer/Motor Protection
3 Phase 400V DOL Starting
Recommended Circuit Breaker
kW hp FLC A (A) NBN (A) NCN (A)
NDN
HRC
Fuse (A)
0.18 0.25 0.87 - 2 - 4
0.25 0.33 1.17 - 3 - 4
0.37 0.5 1.2 - 3 - 4
0.55 0.75 1.8 - 4 - 6
0.75 1.0 2.0 10 6 6 6
1.1 1.5 2.6 16 10 6 10
1.5 2.0 3.5 16 10 10 16
2.2 3.0 4.4 20 16 16 16
3.0 4.0 6.3 25 20 20 20
4.0 5.5 8.2 32 25 25 25
5.5 7.5 11.2 50 40 40 32
7.5 10 14.4 63 50 50 40
11 15 21 - - - 63
15 20 27 - - - 80
18.5 25 32 - - - 80
22 30 38 - - - 80
30 40 51 - - - 100
37 50 63 - - - 125
45 60 76 - - - 125
55 75 91 - - - 160
75 100 124 - - - 200
90 125 154 - - - 250
110 150 183 - - - 315
132 175 219 - - - 355
150 200 240 - - - 355
160 220 257 - - - 355
Protection
Devices

Produkt Specifikationer

Mærke: Hager
Kategori: Ikke kategoriseret
Model: NDN302A

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