Relays

788-721

Active

WAGO Corporation

SSR RELAY SPST-NO 4A 12-275V

Relays

788-721

Active

WAGO Corporation

SSR RELAY SPST-NO 4A 12-275V

Specifications Series Pricing CAD Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	788-721

Approval Agency	UL
Circuit	SPST-NO (1 Form A)
Load Current	4 A
Mounting Type	DIN Rail
Operating Temperature (Max)	70 °C
Operating Temperature (Min)	-20 °C
Output Type	AC, Zero Cross
Package / Case	Module
Termination Style	Spring Terminal
Voltage - Input	24 V, 24 V
Voltage - Load (Max)	275 V
Voltage - Load (Min)	12 V

- Series

...

Part	Load - Max Switching (Apparent Power)	Coil Voltage	Features	Release Time	Contact Rating (Current)	Switching Voltage AC (Max)	Contact Material	Relay Type	Operating Temperature (Max)	Operating Temperature (Min)	Termination Style	Mounting Type	Coil Type	Operate Time	Pin Count	Contact Form	Coil Current	Coil Resistance	Form A Count	Circuit	Approval Agency	Voltage - Input	Package / Case	Load Current	Output Type	Voltage - Load (Max)	Voltage - Load (Min)	Coil Voltage (Type)	Coil Voltage (Max)	Coil Voltage (Min)
WAGO Corporation 858-308	1250 VA	220 V	Lighted Indicator	25 ms	5 A	250 VAC	Silver Cerium (AgCe)	General Purpose	70 °C	-25 °C	Spring Terminal	DIN Rail	Non Latching	25 ms	4	4 C Form PDT	4.1 mA	53.66 kOhms
WAGO Corporation 788-155	4000 VA	24 VDC		3 ms	16 A	250 VAC	Gold (Au) Silver Nickel (AgNi)	General Purpose	85 °C	-40 °C	PC Pin	Through Hole	Non Latching	7 ms		1 C Form SPDT	17 mA	1.41 kOhms
WAGO Corporation 2042-3004	1500 VA	24 VDC	Lighted Indicator	4 ms	6 A	250 VAC	Silver Tin Oxide (AgSnO)	General Purpose	70 °C	-40 °C	Plug In	Socketable	Non Latching	8 ms		SPST-NO	6.6 mA	3.64 kOhms	1
WAGO Corporation 788-721									70 °C	-20 °C	Spring Terminal	DIN Rail								SPST-NO (1 Form A)	UL	24 V 24 V	Module	4 A	AC Zero Cross	275 V	12 V
WAGO Corporation 857-368	1500 VA	230 VDC		25 ms	6 A	250 VAC	Gold (Au) Silver Nickel (AgNi)	General Purpose	60 °C	-40 °C	Spring Terminal	DIN Rail	Non Latching	15 ms		1 C Form SPDT	3.5 mA	65.71 kOhms			EAC UL							AC DC
WAGO Corporation 2042-3024	1250 VA	24 VDC	Lighted Indicator	6 ms	5 A	250 VAC	Silver Nickel (AgNi)	General Purpose	70 °C	-40 °C	Plug In	Socketable	Non Latching	8 ms	4	4 Form A PST-NO	28.1 mA	854.09 Ohms
WAGO Corporation 788-549	2000 VA	230 VDC	Lighted Indicator	8 ms	8 A	250 VAC	Silver Nickel (AgNi)	General Purpose	70 °C	-40 °C	Spring Terminal	DIN Rail	Non Latching	15 ms		2 2 Form C C DPDT Form	3.2 mA	71.88 kOhms
WAGO Corporation 2042-3889	750 VA		Lighted Indicator	6 ms	3 A	250 VAC	Silver Nickel (AgNi)	General Purpose	50 °C	-40 °C	Plug In	Socketable	Non Latching	8 ms	4	2 A B Form PST-2NO/2NC	6 mA	38.33 kOhms										AC DC	230 VAC/DC	24 VAC
WAGO Corporation 789-552	1000 VA	24 VDC	Lighted Indicator	20 ms	4 A	250 VAC	Gold (Au) Silver Nickel (AgNi)	General Purpose	40 °C	-20 °C	Spring Terminal	DIN Rail	Non Latching	20 ms	4	4 Form A PST-NO	12 mA	2000 Ohms			EAC							AC DC
WAGO Corporation 857-153	1500 VA	24 VDC		4 ms	6 A	250 VAC	Silver Nickel (AgNi)	General Purpose	85 °C	-40 °C	PC Pin	Through Hole	Non Latching	8 ms		1 C Form SPDT					UL

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$	Updated

Digikey	Box	1	$ 103.71	<6d
		10	$ 92.35
		25	$ 88.18
		50	$ 85.15
		100	$ 82.21
Newark	Each	1	$ 95.75	30d+
		25	$ 91.37
		50	$ 88.94
		100	$ 86.03
		250	$ 83.11
RS Group	Minimum Package Quantity (MPQ)	1	$ 32.60	30d+

CAD

3D models and CAD resources for this part

Description

General part information

- Series

Solid State SPST-NO (1 Form A) Module

Documents

Technical documentation and resources

788-721 | Datasheet

Datasheet