The A1240 is a panel-mount solid-state relay rated for 40A @ 24-140 VAC with zero voltage turn-on, designed for heavy industrial loads using SCR output. It accepts 90-280 VAC control voltage, features a direct bond copper substrate, epoxy-free design, and is UL/CSA/TUV approved with CE compliance to EN60950-1. The device has a maximum on-state voltage drop of 1.15 Vrms, a thermal resistance of 0.5 °C/W, and operates in ambient temperatures from -40 to 80 °C. It is housed in a UL 94 V-0 rated case with aluminum baseplate, and the standard termination uses screw terminals. The part measures 2.55 in x 1.88 in x 1.0 in (64.8 mm x 47.6 mm x 25.4 mm) and weighs 2.6 oz (74.9 g).
Solid State SPST-NO (1 Form A) Hockey Puck
24 to 140 V (RMS), 40 A, SPST-NO Contact Form, 625 A (Peak) Surge Current, Solid State Relay
10-125 Amp; 120, 240 VAC; AC Output
Featuring state-of-the-art surface mount technology, these SPST-NO relays deliver proven reliability in the most demanding applications. Output consists of an SCR AC switch with internal snubber and is available in zero-cross, random turn-on (phase controllable) versions with either AC or DC input (coil) control. Operating Temperature Range: –30°C to 80°C. Isolation Voltage (V RMS ): 4000. Options Available on Special Order: Normally closed (Form B), 400 Hz operation and 24 VAC input (18-36 VAC).
Features
SOLID STATE RELAY, 40A, 90-280VAC, PANEL; Contact Configuration:SPST-N
SOLID STATE RELAY, 40A, 120VAC
Solid State Relays - Industrial Mount 40A 120VAC AC
SSR RELAY SPST-NO 40A 24-140V
| Sensata Technologies | DigiKey | Allied Electronics, Inc. | Newark, An Avnet Company | Galco Industrial Electronics | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Solid State Relays | Solid State Relays | Electromechanical Relays | Solid State Relays | Solid State Relays | Solid State Relays | Solid State Relays |
| Product Number | A1240 | CC1012-ND | 70130413 | 37M1607 | A1240 | A1240 | A1240 |
| Product Name | Series-1 Relay | Solid State Relays | Relay;SSR;Zero-Switching;SPST-NO;Cur-Rtg 40A;Ctrl-V 90-280AC;Vol-Rtg 24-140AC | Solid State Relay, 40A, 90-280Vac, Panel; Contact Configuration Sensata/crydom | CRDM Solid State | Solid State Relays - Industrial Mount | Relays - Solid State Relays |
| Operating Temp | -40 to 176 F (-40 to 80 C) | -40 to 176 F (-40 to 80 C) | -40 to 176 F (-40 to 80 C) | ||||
| Mounting | Chassis Mount | Panel | Panel; Panel Mount | Bracket (Flange) Mount; Chassis Mount | |||
| Switch Configuration | FormA | ||||||
| Input Voltage (Control Signal) Type | AC | ||||||
| Input Voltage (Control Signal) Range | 90 to 280 volts |