About Circuit Protection

Circuit Protection

Circuit protection is a set of practices and components used to protect an electrical circuit from damage caused by a short circuit, an overload, or excess voltage. This includes a variety of techniques such as the use of fuses, circuit breakers, and surge protectors. Circuit protection can also be used to prevent fires or other dangerous situations by cutting off the power when a fault is detected. Circuit protection can keep equipment safe and increase the life of components and wiring.

Circuit Protection

Circuit Breakers & Accessories

Circuit Protection Kits

ESD Protection Diodes / TVS Diodes

Fuse Holders

Fuses

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

LED Protection Devices

Surge Protective Devices - SPD

Surge Suppressors

Thermistors

Varistors

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Image	Stock Code(▲▼)	Description	Manufacturer	Availability ⓘ (▲▼)	Price(AUD) (Ex. GST)(▲▼)	Enter Qty

B72207S350K101

Var MOV 35VAC/45VDC 250A 56V Radial Bulk
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TDK

33950
Ships to you
between Mon. 16 Feb to Fri. 20 Feb

February 2026

February 2026
	S	M	T	W	T	F	S
5	25	26	27	28	29	30	31
6	1	2	3	4	5	6	7
7	8	9	10	11	12	13	14
8	15	16	17	18	19	20	21
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7

AUD 0.1614

Multiples of: 1

SZP6SMB36AT3G

49.9V 34.2V 30.8V SMB(DO-214AA) TVS ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse

33950
Ships to you
between Mon. 16 Feb to Fri. 20 Feb

February 2026

February 2026
	S	M	T	W	T	F	S
5	25	26	27	28	29	30	31
6	1	2	3	4	5	6	7
7	8	9	10	11	12	13	14
8	15	16	17	18	19	20	21
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7

AUD 0.2117

Multiples of: 2500

SM6T18CAY

Diode: transil; 600W; 18V; 24A; bidirectional; ±5%; SMB
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics

33950
Ships to you
between Mon. 16 Feb to Fri. 20 Feb

February 2026

February 2026
	S	M	T	W	T	F	S
5	25	26	27	28	29	30	31
6	1	2	3	4	5	6	7
7	8	9	10	11	12	13	14
8	15	16	17	18	19	20	21
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7

AUD 0.306

Multiples of: 1

SMA6J15A-TR

TVS Diodes - Transient Voltage Suppressors HJ Temp Transil
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics

33950
Ships to you
between Mon. 16 Feb to Fri. 20 Feb

February 2026

February 2026
	S	M	T	W	T	F	S
5	25	26	27	28	29	30	31
6	1	2	3	4	5	6	7
7	8	9	10	11	12	13	14
8	15	16	17	18	19	20	21
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7

AUD 0.3274

Multiples of: 5000

B72660M0300K072

Varistors 30V 250A 1200pF Varistor CU4032K30G2
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TDK

33950
Ships to you
between Mon. 16 Feb to Fri. 20 Feb

February 2026

February 2026
	S	M	T	W	T	F	S
5	25	26	27	28	29	30	31
6	1	2	3	4	5	6	7
7	8	9	10	11	12	13	14
8	15	16	17	18	19	20	21
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7

AUD 0.5526

Multiples of: 1000

Hot

SMDA15C.TBT

ESD Suppressors / TVS Diodes 15V, 300W, BI, 7"RL
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Semtech

33950
Ships to you
between Mon. 16 Feb to Fri. 20 Feb

February 2026

February 2026
	S	M	T	W	T	F	S
5	25	26	27	28	29	30	31
6	1	2	3	4	5	6	7
7	8	9	10	11	12	13	14
8	15	16	17	18	19	20	21
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7

AUD 2.6119

Multiples of: 500

RM14D561KD1IE100

915V 360pF@1kHz 460V 350V 125J 50A Radial Leaded Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Dersonic

33944
Ships to you
between Mon. 02 Mar to Thu. 05 Mar

March 2026

March 2026
	S	M	T	W	T	F	S
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7
11	8	9	10	11	12	13	14
12	15	16	17	18	19	20	21
13	22	23	24	25	26	27	28
14	29	30	31	1	2	3	4

AUD 0.0914

Multiples of: 5

SM712-02HTG-ES

17A 350W Bi-Directional SOT-23 Electrostatic and Surge Protection (TVS/ESD) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ElecSuper

33931
Ships to you
between Mon. 02 Mar to Thu. 05 Mar

March 2026

March 2026
	S	M	T	W	T	F	S
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7
11	8	9	10	11	12	13	14
12	15	16	17	18	19	20	21
13	22	23	24	25	26	27	28
14	29	30	31	1	2	3	4

AUD 0.0314

Multiples of: 10

AQ15C-01FTG

ESD Suppressors / TVS Diodes 15V 450W AUTO BI-DIR SOD323
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse

33910
Ships to you
between Fri. 20 Feb to Tue. 24 Feb

February 2026

February 2026
	S	M	T	W	T	F	S
5	25	26	27	28	29	30	31
6	1	2	3	4	5	6	7
7	8	9	10	11	12	13	14
8	15	16	17	18	19	20	21
9	22	23	24	25	26	27	28
10	1	2	3	4	5	6	7

AUD 0.197

Multiples of: 1

ESD5Z5.0T1G

SOD-523 ESD Protection Devices ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Youtai

33901
Ships to you
between Mon. 02 Mar to Thu. 05 Mar

March 2026