Welcome Customer !

Membership

Help

Shanghai Taixi Electric Co., Ltd
Custom manufacturer

Main Products:

mechb2b>Products

Shanghai Taixi Electric Co., Ltd

  • E-mail

    service@taixiele.com

  • Phone

    13356192265

  • Address

    Shangzhai Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province

Contact Now

DZ47Z-63 DC miniature circuit breaker

NegotiableUpdate on 07/09
Model
Nature of the Manufacturer
Producers
Product Category
Place of Origin

Overview

1、 Scope of application

Product Details

1、 Scope of application

DZ47Z-63 DC miniature circuit breakerSuitable for use as overload and short circuit protection in AC 50/60Hz rated DC voltage up to 1000V and rated current up to 63A lines. Under normal circumstances, it is used as a small circuit breaker for infrequent operation and conversion of linesCircuit breakerIt can also be used as an isolation switch for disconnecting lines for line and equipment maintenance. DZ47Z-63DC miniature circuit breakerIt has functions of overload protection, short circuit protection, control, and isolation, mainly used in DC power systems, ship power systems, electric propulsion systems, photovoltaic power systems (photovoltaic combiner boxes) and other places.

2、 Model and its meaning

3、 Selection Guide

product name Breaking Capacity number of poles Release type Rated current
DZ47Z-63 4.5KA 2 C 20


1:1P
2:2P
3:3P
4:4P
B: Type B
C: Type C
1:1A
2:2A
3:3A

63:63A

Power consumption per pole of circuit breaker

Rated current In (A) Maximum power consumption per pole (W)
1~10 2
16~32 3.5
40~63 5

3、 Main technical parameters

Rated current: 1,2,4,6,10,16,20,25,32,40,50,63A
■ Shell level: 63A
■ Number of poles: 1P/2P/3P/4P
Rated working voltage DC: 250V/500V/750V/1000V
■ Impulse withstand voltage Uimp: 6kV
Quick closing: ensuring reliable operation of impact loads and extending the electrical life of circuit breakers
■ Breaking capacity: 4.5kA
■ Current limiting level: 3
Mechanical lifespan: 10000 cycles
Electrical lifespan: 1000 cycles
Environmental working temperature: -30 ℃~70 ℃
■ Moisture resistance: Class 2 (at a temperature of 55 ℃ and a relative humidity of 95%)
■ Altitude: not exceeding 2000M
■ Installation:DC miniature circuit breakerCan be installed in places without significant vibration and impact, tunnel type terminal block. When wiring DC circuit breakers, please pay attention to polarity and modular structure. It can be easily installed on TH35-7.5 DIN standard rails of 1-32A and below: 2.5N, 40-63A: 3.5N.
■ Wiring: 1~32A: 25mm ² and below, 40~63A: 35mm ² and below
■ Protection level: IP20|
Compliant with standard: IEC60898-2/GB10963.2
■ Compliant with certifications: CCC, CE
■ Tripping characteristics: C-shaped curve, instantaneous tripping range (6.8-10.2) In, protecting conventional loads and distribution cables; B-type curve, instantaneous trip range (4.4-6.6) In, protects loads with small short-circuit currents.

number of poles 1P unipolar 2P 2-pole 3P 3 poles 4P 4-pole
Breaking Capacity 4.5kA 4.5kA 4.5kA 4.5kA
Un (rated voltage) 125V/250V 250V/500V 500V/750V 1000V
Unmax UL+/L- 125V/250V 250V/500V 500V/750V 1000V
LUnmax
UL/↓
125V/250V 250V/500V 500V/750V 1000V

Note: (1) L+positive pole of power supply, L - negative pole of power supply; (2) +positive pole of circuit breaker, - negative pole of circuit breaker; (3) DC power supply is usually "L -" grounded, and the neutral pole of the positive and negative power supply systems is "M" grounded

According to the type of instantaneous release device

Release form Scope of communication DC range
B 3In<I≤5In 4.4In<I≤6.6In
C 5In<I≤10In 6.8In<I≤10.2In

DZ47Z-63 rated short-circuit breaking capacity

Rated current (A) number of poles Rated voltage (V) Rated short-circuit current (A) Operating short-circuit current (A)
1~63 1 250 3000 3000
2~4 4500 3000

Z47Z-63 Mechanical and Electrical Life

category number of times Operating frequency (times/hour) Rated current (A)
Electrical life 1000 240 1~32
120 40~63
mechanical life 10000 240 1~63

Small DC Circuit BreakerOvercurrent protection characteristics (reference temperature 30 ℃)

Serial Number Release type Rated tripping current (A) Initial state direct-current Set time Expected results notes
a B、C 1~63 cold state 1.13In t≤1h Do not release
b B、C 1~63 Immediately following the previous item 1.45In t<1h trip The current remains stable within 5 seconds
Rise to the specified value
c B、C In≤32A cold state 2.55In 1s<t<60s trip
In>32A 1s<t<60s
d B 1~63 cold state 4In 0.1s≤t≤45s(In≤32A)
0.1s≤t≤90s(In>32A)
trip
C 17In 0.1s≤t≤15s(In≤32A)
0.1s≤t≤30s(In>32A)

e B 1~63 cold state 7In t<0.1s trip
C 15In

Correction values of current at different environmental temperatures

Temperature (℃)
Correct current value (A)
Rated current (A)
-35 -30 -20 -10 0 10 20 30 40 50 60 70
1 1.3 1.26 1.23 1.19 1.15 1.11 1.05 1 0.96 0.93 0.88 0.83
2 2.6 2.52 2.46 2.38 2.28 2.2 2.08 2 1.92 1.86 1.76 1.66
3 3.9 3.78 3.69 3.57 3.42 3.3 3.12 3 2.88 2.79 2.64 2.49
4 5.2 5.04 4.92 4.76 4.56 4.44 4.16 4 3.84 3.76 3.52 3.32
6 7.8 7.56 7.38 7.14 6.84 6.6 6.24 6 5376 5.64 528 4.98
10 13.2 12.7 12.5 12 11.5 11.1 10.6 10 9.6 9.3 8.9 8.4
16 21.12 20.48 20 19.2 18.4 17.76 16.96 16 15.36 14.88 14.24 13.44
20 26.4 25.6 25 24 23 22.2 21.2 20 19.2 18.6 17.8 16.8
25 33 32 31.25 30 28.75 27.75 26.5 25 24 23.25 22.25 21
32 42.56 41.28 40 38.72 37.12 35.52 33.92 32 30.72 29.76 28.16 26.88
40 53.2 51.2 50 48 46.4 44.8 42.4 40 38.4 37.2 35.6 33.6
50 67 65.5 63 60.5 58 56 53 50 48 48.5 44 41.2
63 83.79 81.9 80.01 76.86 73.71 70.56 66.78 63 60.48 58.9 55.44 52.29

Current correction coefficient at different altitudes

Release type Rated current (A) Current correction factor give an example
≤2000m (2000~3000)m ≥3000m
B、C 1. 2, 3, 4, 6
10. 15, 20, 25
32, 40, 50, 63
1 0.9 0.8 The rated current of the product is 20A
Usage after reducing capacity by 3000 meters
The constant current is 0.8x20=16A

Wiring: The DZ47Z-63 DC miniature circuit breaker is suitable for connecting wires of 25mm ² and below (see Table 8). The wiring method is to tighten the wires with screws and apply a torque of 2.5N · m.

Rated current In (A) Nominal cross-sectional area of copper wire (mm ²)
1~6 1
10 1.5
16. 20 2.5
25 4
32 6
40, 50 10
63 16

5、 Release characteristic curve

6、 Structural characteristics

TheDC miniature circuit breakerHigh rated short-circuit breaking capacity.
■ Dual wiring function, the outgoing end can be easily connected to standard busbars and soft and hard wires, and the incoming end can be connected to soft and hard wires.
Equipped with red and green safety indicators for higher safety.
Equipped with an energy storage mechanism for operation, the contacts quickly close, overcoming the adverse effects caused by manual operation of the handle speed and greatly improving the product's service life.
The dovetail terminal with anti misoperation function improves wiring efficiency and reliability.
The product can be used with various modular accessories, such as S9, V9, XF9, XF9J.
The shell and other plastic parts are made of high flame retardant, high temperature resistant, and impact resistant plastics.

7、 Appearance and installation dimensions