ST48D50 TELEDYNE, ST48D50 Datasheet

Solid State Relays 50A 480VAC Zero Cross

ST48D50

Manufacturer Part Number

ST48D50

Description

Solid State Relays 50A 480VAC Zero Cross

Manufacturer

TELEDYNE

Datasheet

1.ST48D50.pdf (4 pages)

Specifications of ST48D50

Control Voltage Range

4 VDC to 30 VDC

Load Voltage Rating

480 VAC

Load Current Rating

50 A

Relay Type

Single Output

Termination Style

Screw

Application

Heating control, industrial and process control, on⁄off control of AC equipment

Brand/series

ST Series

Current, Leakage, Off-state

3 mA

Current, Rating

50 A

Current, Surge

550 A

Dimensions

1.75 in. L x 1.06 in. W x 2.29 in. H

Function

General Purpose

Standards

Temperature, Ambient, Maximum

100 °C

Temperature, Ambient, Minimum

-40 °C

Termination

Screw

Voltage, Control

30 VAC

Voltage, Rating

600 V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Part Numbers

Part Number Example

NOTES

1) Line Voltage (nominal): 24 = 240 Vac; 48 = 480 Vac

2) Switch Type: D = Zero-cross turn-on; A = AC control,

3) Feature: -02 = Control LED: Standard on all ST48D

• 1–2 can be changed

• SSR must be mounted on a heat sink

Package &

Chip Type

Control

–

TOLERANCE: ±.01 (0.3)

WEIGHT: 3.18 oz. (90g)

Figure 1 — ST relays, dimensions in inches (mm)

1.06 (27)

1.02 (25.8)

.9 (22.8)

(±.02)

Figure 2a — ST relays

.77 (19.6)

-16 = Internal MOV: Available only on ST24D 25A and 50A

-22 = 24 Vac Control

MECHANICAL SPECIFICATION

4–

Zero-cross turn-on

Only available on ST24D 12A and 40A (standard)

Voltage

Line

Line Protection

Ø.19 (Ø4.7)

ST48A25-22

Switch

Type

Voltage

Load

Line

1.75 (44.5)

1.1 (28)

1 (25.4)

Current

Output

(800) 284-7007 • www.teledynerelays.com

• 1–2 can be changed

• SSR must be mounted on a heat sink

Figure 2b — ST -02 option relays

Control

–

TYPICAL APPLICATION

Feature

M 4

M 3

-02

-16

-22

4–

LED

Line Protection

FEATURES/BENEFITS

• Industry standard package

• Internal MOV (certain models)

• Control LED (certain models)

• AC or DC control available

• Excellent thermal performance

• Tight zero-cross window for low EMI

• High immunity to surges

DESCRIPTION

The Series ST single-phase relays are designed for

high-power applications. The design incorporates an

SCR or triac output. The Series ST relays utilize optical

isolation to protect the control from load transients.

Control LED is available on certain models. All Series

ST relays are zero crossing. Internal MOV is also

available on ST24D 25A and 50A models.

APPLICATIONS

• Heating control

• Industrial and process control

• On/Off controls of AC equipment

APPROVALS

All models are UL recognized.

UL File Number: E128555.

Voltage

Load

Line

• 1–2 can be changed

• SSR must be mounted on a heat sink

Control

–

Figure 2c — ST -16 option relays

Single Output to 75A 600 Vac

4–

Line Protection

Series ST

AC/DC Control

ST\032003\Q1

Voltage

Load

Line

ST 1

Related parts for ST48D50

ST48D50 Summary of contents

Page 1

... Control + LED 3+ 2 • 1–2 can be changed • SSR must be mounted on a heat sink Load Figure 2b — ST -02 option relays (800) 284-7007 • www.teledynerelays.com Series ST Single Output to 75A 600 Vac AC/DC Control Line Voltage Line Protection – 4– 1 Control + ...

Page 2

... Figure 3c — ST24A relays 600 Vrms 30 25 600 Vpeak 20 1200 Vpeak Arms Arms 40 Arms Figure 3d — ST24A25-22 50 Arms 75 Arms Series Control Voltage ( Control Voltage ( 100 120 140 160 180 200 220 240 Control Voltage ( Control Voltage (V) © 2003 TELEDYNE RELAYS ST\032003\Q1 ...

Page 3

... On-State Voltage Drop 12A output current 25A output current 40A output current 50A output current ST48D50-02 75A output current Zero-Cross Window (Typical) S D/A Off-State Leakage Current (60Hz) All relays Turn-On Time (60 Hz) ...

Page 4

... Ambient Temperature (°C) T case max (° Full on state 90 95 100 50% duty cycle 100 110 120 Ambient Temperature (°C) T case max (° Full on state 50% duty cycle 100 100 110 120 Ambient Temperature (°C) © 2003 TELEDYNE RELAYS ST\032003\ 100 ...

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