DZB-100 Series with intermediate relay
DZB-100 Series with intermediate relay

DZB-100 Series with intermediate relay

Ac rating: 100 or 220 (50Hz)
Action resistance setting range: 0.5, 1,2,5,10,15,20
Return coefficient: ≤2
Action time: 0.8 times the action resistance ≤0.2
Power consumption: 18 or less
Contact capacity: 220 V or less 0.2 V DC 20 w AC 30 va (T = 5 ms) (cos Φ = 0.4)

Application Range

DZB-115 series intermediate relays (hereinafter referred to as relays) are used as auxiliary relays in the DC operating loop to increase the capacity and number of contacts for the main protection.

Type DZB-115 is the current action voltage holding relay;Type DZB-127 is an intermediate relay for voltage operation and current holding;Dzb-138 is the voltage action current holding relay, dzB-138 damping winding short connected can delay action.

Main technical parameters

  • Action value: action voltage rating of 30-70%;The operating current shall not be greater than 80% of the rating.
  • Return values: not less than 5% of the rating.
  • Value: keep current is not more than 80%;Dzb-138 maintains current no more than 65%;Maintain voltage no more than 70%.
  • Action time: under the rating is not more than 45 ms.
  • Return time: when the input amount by rating fell to zero, return time is not greater than 60 ms relay.
  • Power consumption: no more than 7 w.
  • Contact capacity: in voltage not over 250 v, current is not more than 5 a, time constant of 5 + 0.75 ms in dc circuit, the inductive load product output contact breaking capacity of 50 w.The output contact can reliably operate and return 5x10 times under the above specified load conditions.The output contact is allowed to be switched on for a long time with 5A.
  • Medium intensity: the product the conductive terminals together, for the leakage between the charged metal parts or shell, can bear 2000 v (RMS) of 50 hz ac voltage test lasted 1 minute without insulation breakdown or flashover phenomenon.

The parameters of the relay are shown in the table below

Model

Rated operating value

Rated operating value

Number of holding windings

Number of contacts (Pairs)

Note

Current

Voltage

Move together

Move off

DZB- 115

0.5A, 1A,

2A, 4A, 8A

220V, 110V

48V, 24V

 

1

2

2

Current action voltage is maintained

DZB- 127

220V, 110V

48V, 24V

1A, 2A

4A, 8A

2

 

4

 

Voltage action current holding

DZB- 138

2

 

3

1

Voltage action current holding

Note: DZB-138 ends are damped winding

 

Internal wiringdzb 100xldbczjjdq 2

Note: X-damping winding

 

Appearance and hole size

The relay adopts protruding fixed wiring and external dimensions. See FIG. 12 below for installation drawing of holes.

dzb 100xldbczjjdq 03

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