ETS Sydney Australia for Broyce B1UFZ and B1OFZ Control Relays

Control Relays

B1UFZ Detects Under Frequency
B1OFZ Detects Over Frequency

B1 Series 11 Pin Plug-In Control Relays
Dims: (mm) H.80 x W.40 x D.92	Type No.	B1UFZ	B1OFZ
	Function	Under Frequency	Over Frequency
		-	-
	Time Delay (from fault)	˝1 Second	˝1 Second
		-	-
	Hysteresis	˝1%	˝1%
	Latch	No	No
	Output	SPDT Relay	SPDT Relay
	Output Rating	8A @ 250V AC	8A @ 250V AC
	Supply Voltage Un	12, 48V AC/DC, 24V DC	12, 48V AC/DC, 24V DC
		24, 110, 240/240V AC	24, 110, 240/240V AC
		110, 220/240V AC Only	110, 220/240V AC Only
		-	-
	Integral Transformer	-	-
	Monitoring Range	35Hz to 70Hz	35Hz to 70Hz

Type B1UFZ Control Relay

Connection Diagram

Installation/Data Sheet Supplied

Note: This Relay is shown in the
de-energised condition.

Note: 12, 24 and 48 Volt Units are not
isolated between Monitored & Supply Input.

B1UFZ Key Features

Function Diagram

	Detects Under Frequency Condition
	Adjustable Trip Level
	SPDT Relay output 8A
	Plug-In
	LED Indication
	-

Specifications Type No. B1UFZ Control Relay
Supply Voltage Un:	12, 24, 48V DC
	12, 24, 48, 110, 230V AC, 48 to 63Hz
	(85 to 110% of Un)
	-
Power Consumption:	3VA @ Un
	-
Monitoring Range:	35Hz to 70Hz (100 to 260V AC)
	-
	-
	-
Accuracy:	-
Hysteresis:	Factory set 1%
Time Delay:	t = 1 second, worst case = 3 x t
	-
Contact Rating:	1 x SPDT
	AC1 250V AC/8A (2000VA)
	AC15 250V AC/2.5A
	DC1 25V DC/8A (200W)
Electrical Life:	Minimum 150,000 ops at rated load
Ambient Temperature:	-20 to +60°C
Relative Humidity:	+95%
Housing	Flame Retardant UL94 VO
Weight	≈180g
Conforms To:	UL508, CSA 22.2/14, IEC 1010
Approvals:	CE Compliant

Type B1OFZ Control Relay

Connection Diagram

Installation/Data Sheet Supplied

Note: This Relay is shown in the
de-energised condition.

Note: 12, 24 and 48 Volt Units are not
isolated between Monitored & Supply Input.

B1OFZ Key Features

Function Diagram

	Detects Over Frequency Condition
	Adjustable trip Level
	SPDT relay Output 8A
	Plug-In
	LED Indication
	-

Specifications Type No. B1OFZ Control Relay
Supply Voltage Un:	12, 24, 48V DC
	12, 24, 48, 110, 230V AC, 48 to 63Hz
	(85 to 110% of Un)
	-
Power Consumption:	3VA @ Un
	-
Monitoring Range:	35Hz to 70Hz (100 to 260V AC)
	-
	-
	-
Accuracy:	-
Hysteresis:	Factory set 1% (externally adjustable)
Time Delay:	t = 1 second, worst case = 3 x t
	-
Contact Rating:	1 x SPDT
	AC1 250V AC/8A (2000VA)
	AC15 250V AC/2.5A
	DC1 25V DC/8A (200W)
Electrical Life:	Minimum 150,000 ops at rated load
Ambient Temperature:	-20 to +60°C
Relative Humidity:	+95%
Housing	Flame Retardant UL94 VO
Weight	≈180g
Conforms To:	UL508, CSA 22.2/14, IEC 1010
Approvals:	CE Compliant